diff --git a/Source/Css/CssQuery.cs b/Source/Css/CssQuery.cs
index 04d8f94b5f7b146994b642bd40fbee942edbbcfc..065b01c65dbcfcfe2e5011fa6304d13093b13290 100644
--- a/Source/Css/CssQuery.cs
+++ b/Source/Css/CssQuery.cs
@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using Fizzler;
-using ExCSS;
+using Svg.ExCSS;
 
 namespace Svg.Css
 {
diff --git a/Source/External/ExCSS/IToString.cs b/Source/External/ExCSS/IToString.cs
index 778aea745f239238ad08c3e53afd8afdf3a16f99..558ffc2f419c03588260a259d8168783e24ec495 100644
--- a/Source/External/ExCSS/IToString.cs
+++ b/Source/External/ExCSS/IToString.cs
@@ -1,4 +1,4 @@
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public interface IToString
     {
diff --git a/Source/External/ExCSS/Lexer.cs b/Source/External/ExCSS/Lexer.cs
index 81428800ec7f325835d5c38f69948b5d21e2d7a8..3da3adaec96a5b4dad74b0ffeb6e1123e3e9501f 100644
--- a/Source/External/ExCSS/Lexer.cs
+++ b/Source/External/ExCSS/Lexer.cs
@@ -2,11 +2,11 @@
 using System.Collections.Generic;
 using System.Globalization;
 using System.Text;
-using ExCSS.Model;
-using ExCSS.Model.TextBlocks;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.TextBlocks;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     sealed class Lexer
     {
diff --git a/Source/External/ExCSS/Model/Enumerations.cs b/Source/External/ExCSS/Model/Enumerations.cs
index 347565fe92db6d9cb23e26a80a0c6e77fa2ed72b..d26571b73ed94c73f39e39c1a1d274849e5c1807 100644
--- a/Source/External/ExCSS/Model/Enumerations.cs
+++ b/Source/External/ExCSS/Model/Enumerations.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal static class RuleTypes
     {
diff --git a/Source/External/ExCSS/Model/Extensions/CharacterExtensions.cs b/Source/External/ExCSS/Model/Extensions/CharacterExtensions.cs
index dba314f3546906954e2e8c8cb072065900da4b6f..1130ad2af34b24e01977b40197adec4656e5e24e 100644
--- a/Source/External/ExCSS/Model/Extensions/CharacterExtensions.cs
+++ b/Source/External/ExCSS/Model/Extensions/CharacterExtensions.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 
-namespace ExCSS.Model.Extensions
+namespace Svg.ExCSS.Model.Extensions
 {
     static class CharacterExtensions
     {
diff --git a/Source/External/ExCSS/Model/Extensions/StringExtensions.cs b/Source/External/ExCSS/Model/Extensions/StringExtensions.cs
index 76eb2eecc2869bc90b9a614ea5b6dfd769e6e454..619b6fc20317f9f2030144d5e50f7da76bd6a97d 100644
--- a/Source/External/ExCSS/Model/Extensions/StringExtensions.cs
+++ b/Source/External/ExCSS/Model/Extensions/StringExtensions.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Text;
 
-namespace ExCSS.Model.Extensions
+namespace Svg.ExCSS.Model.Extensions
 {
     public static class StringExtensions
     {
diff --git a/Source/External/ExCSS/Model/FunctionBuffer.cs b/Source/External/ExCSS/Model/FunctionBuffer.cs
index cdc9f070a4b03488ae3a36fec7490ad3f03ba6b5..98b21daa48960a6ba3490d385992b798280eea63 100644
--- a/Source/External/ExCSS/Model/FunctionBuffer.cs
+++ b/Source/External/ExCSS/Model/FunctionBuffer.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 
-namespace ExCSS.Model
+namespace Svg.ExCSS.Model
 {
     internal class FunctionBuffer
     {
diff --git a/Source/External/ExCSS/Model/HtmlEncoding.cs b/Source/External/ExCSS/Model/HtmlEncoding.cs
index bf04f2bd0cd346c661f7dba161d244746525ce95..fc6878cc28a8ff5286804409091aea5c7488d5e1 100644
--- a/Source/External/ExCSS/Model/HtmlEncoding.cs
+++ b/Source/External/ExCSS/Model/HtmlEncoding.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Text;
 
-namespace ExCSS.Model
+namespace Svg.ExCSS.Model
 {
     internal static class HtmlEncoding
     {
diff --git a/Source/External/ExCSS/Model/ICssRules.cs b/Source/External/ExCSS/Model/ICssRules.cs
index 9c303c2f860f33f0022efa99441cb42ae7d37146..ddb682b7a0fae3f10963f523e804a9411cb33aff 100644
--- a/Source/External/ExCSS/Model/ICssRules.cs
+++ b/Source/External/ExCSS/Model/ICssRules.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 
-namespace ExCSS.Model
+namespace Svg.ExCSS.Model
 {
     interface ISupportsRuleSets
     {
diff --git a/Source/External/ExCSS/Model/ICssSelector.cs b/Source/External/ExCSS/Model/ICssSelector.cs
index 62d57a4e425deee978f035ff46afdffc51a2c790..c464309bd5ba6e5f3d3c7fb4994ae202c92008f4 100644
--- a/Source/External/ExCSS/Model/ICssSelector.cs
+++ b/Source/External/ExCSS/Model/ICssSelector.cs
@@ -1,4 +1,4 @@
-namespace ExCSS.Model
+namespace Svg.ExCSS.Model
 {
     interface ISupportsSelector
     {
diff --git a/Source/External/ExCSS/Model/IStyleDeclaration.cs b/Source/External/ExCSS/Model/IStyleDeclaration.cs
index 38f0d690cc17ed241529c8088e6778abb737f32d..1849b45cc3d16e571e9e899ebceb7e80aaa65ef3 100644
--- a/Source/External/ExCSS/Model/IStyleDeclaration.cs
+++ b/Source/External/ExCSS/Model/IStyleDeclaration.cs
@@ -1,4 +1,4 @@
-namespace ExCSS.Model
+namespace Svg.ExCSS.Model
 {
     interface ISupportsDeclarations
     {
diff --git a/Source/External/ExCSS/Model/ISupportsMedia.cs b/Source/External/ExCSS/Model/ISupportsMedia.cs
index fa81faf84921e192f15129785eb602ba8a340488..f2ee7e2a6a353796c165f895a7ea935577083df7 100644
--- a/Source/External/ExCSS/Model/ISupportsMedia.cs
+++ b/Source/External/ExCSS/Model/ISupportsMedia.cs
@@ -1,4 +1,4 @@
-namespace ExCSS.Model
+namespace Svg.ExCSS.Model
 {
     interface ISupportsMedia
     {
diff --git a/Source/External/ExCSS/Model/MediaTypeList.cs b/Source/External/ExCSS/Model/MediaTypeList.cs
index f8f8cd3ac603a60bb9fac834e7a81d94ce1f886e..615bf53a06c9c9d97a53a8ae6ad13b880bb17dfa 100644
--- a/Source/External/ExCSS/Model/MediaTypeList.cs
+++ b/Source/External/ExCSS/Model/MediaTypeList.cs
@@ -1,9 +1,9 @@
 using System.Collections;
 using System.Collections.Generic;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class MediaTypeList : IEnumerable<string>
     {
diff --git a/Source/External/ExCSS/Model/Rules/AggregateRule.cs b/Source/External/ExCSS/Model/Rules/AggregateRule.cs
index c70d60c68915284774e5f9f1fcb4bd6029b827a1..ffffecc551bd9b363fe132ac5cb6272244f7d598 100644
--- a/Source/External/ExCSS/Model/Rules/AggregateRule.cs
+++ b/Source/External/ExCSS/Model/Rules/AggregateRule.cs
@@ -1,8 +1,8 @@
 using System.Collections.Generic;
-using ExCSS.Model;
+using Svg.ExCSS.Model;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public abstract class AggregateRule : RuleSet, ISupportsRuleSets
     {
diff --git a/Source/External/ExCSS/Model/Rules/CharacterSetRule.cs b/Source/External/ExCSS/Model/Rules/CharacterSetRule.cs
index a12e3b3298c393cf68067981b7c24404a68c0441..9f55c39af9fead39158a66ab9f0fbe6d9ee82808 100644
--- a/Source/External/ExCSS/Model/Rules/CharacterSetRule.cs
+++ b/Source/External/ExCSS/Model/Rules/CharacterSetRule.cs
@@ -1,7 +1,7 @@
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class CharacterSetRule : RuleSet
     {
diff --git a/Source/External/ExCSS/Model/Rules/ConditionalRule.cs b/Source/External/ExCSS/Model/Rules/ConditionalRule.cs
index f51c38d500ad733d610f3b4ec19ef9385dd44102..d80216de977966d61c30479e65e436c3a6a671d6 100644
--- a/Source/External/ExCSS/Model/Rules/ConditionalRule.cs
+++ b/Source/External/ExCSS/Model/Rules/ConditionalRule.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public abstract class ConditionalRule : AggregateRule
     {
diff --git a/Source/External/ExCSS/Model/Rules/DocumentRule.cs b/Source/External/ExCSS/Model/Rules/DocumentRule.cs
index b9853730e2fcda1bfb3eb7511f84e00cdeef459d..be159a1484994bc3345f02fe8e47ba6ca1b0aa13 100644
--- a/Source/External/ExCSS/Model/Rules/DocumentRule.cs
+++ b/Source/External/ExCSS/Model/Rules/DocumentRule.cs
@@ -1,11 +1,11 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
-using ExCSS.Model;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public sealed class DocumentRule : AggregateRule
     {
diff --git a/Source/External/ExCSS/Model/Rules/FontFaceRule.cs b/Source/External/ExCSS/Model/Rules/FontFaceRule.cs
index 0d933d065a7efa9d150954fd899c9999404df343..fc5428a66a605dd191e3409d58f3938173987f9d 100644
--- a/Source/External/ExCSS/Model/Rules/FontFaceRule.cs
+++ b/Source/External/ExCSS/Model/Rules/FontFaceRule.cs
@@ -1,8 +1,8 @@
-using ExCSS.Model;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class FontFaceRule : RuleSet, ISupportsDeclarations
     {
diff --git a/Source/External/ExCSS/Model/Rules/GenericRule.cs b/Source/External/ExCSS/Model/Rules/GenericRule.cs
index a1d85d9e7116ed750700e0ebb3527583fd28e749..e9e3acc0fc45a4e6dbf38158f222c893432ed979 100644
--- a/Source/External/ExCSS/Model/Rules/GenericRule.cs
+++ b/Source/External/ExCSS/Model/Rules/GenericRule.cs
@@ -1,5 +1,5 @@
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class GenericRule : AggregateRule
     {
diff --git a/Source/External/ExCSS/Model/Rules/IRuleContainer.cs b/Source/External/ExCSS/Model/Rules/IRuleContainer.cs
index 13ec5a967beafcfe590fcb295671706eba9bb4b3..6333a5d6c9f971b2d076f23dd0b2a346aed436e5 100644
--- a/Source/External/ExCSS/Model/Rules/IRuleContainer.cs
+++ b/Source/External/ExCSS/Model/Rules/IRuleContainer.cs
@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public interface IRuleContainer
     {
diff --git a/Source/External/ExCSS/Model/Rules/ImportRule.cs b/Source/External/ExCSS/Model/Rules/ImportRule.cs
index 8ef67b26bb078605b2a030e81d0a945bf5efb87e..7bf8f5d2579859a5629f569fbe2fc2cdc725b5a1 100644
--- a/Source/External/ExCSS/Model/Rules/ImportRule.cs
+++ b/Source/External/ExCSS/Model/Rules/ImportRule.cs
@@ -1,8 +1,8 @@
-using ExCSS.Model;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class ImportRule : RuleSet, ISupportsMedia
     {
diff --git a/Source/External/ExCSS/Model/Rules/KeyframeRule.cs b/Source/External/ExCSS/Model/Rules/KeyframeRule.cs
index 159314dbcd845e81cc77ffed2124e1a62a0a2f0b..06f4eebfd75e0177bd5777df45c3a7ac7ac367a6 100644
--- a/Source/External/ExCSS/Model/Rules/KeyframeRule.cs
+++ b/Source/External/ExCSS/Model/Rules/KeyframeRule.cs
@@ -1,8 +1,8 @@
-using ExCSS.Model;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class KeyframeRule : RuleSet, ISupportsDeclarations
     {
diff --git a/Source/External/ExCSS/Model/Rules/KeyframesRule.cs b/Source/External/ExCSS/Model/Rules/KeyframesRule.cs
index d4e4e0687c78fd699befba216a4ef8458edf0e5d..9c05f686f998ffdfa73ade82c4da67495e93f9ba 100644
--- a/Source/External/ExCSS/Model/Rules/KeyframesRule.cs
+++ b/Source/External/ExCSS/Model/Rules/KeyframesRule.cs
@@ -1,10 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class KeyframesRule : RuleSet, IRuleContainer
     {
diff --git a/Source/External/ExCSS/Model/Rules/MediaRule.cs b/Source/External/ExCSS/Model/Rules/MediaRule.cs
index 89727debe322be99bac8229c6ca58d5e9f80953e..433eddb432200052dd09359f903754608d6c9b92 100644
--- a/Source/External/ExCSS/Model/Rules/MediaRule.cs
+++ b/Source/External/ExCSS/Model/Rules/MediaRule.cs
@@ -1,10 +1,10 @@
 using System;
 using System.Linq;
-using ExCSS.Model;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class MediaRule : ConditionalRule, ISupportsMedia
     {
diff --git a/Source/External/ExCSS/Model/Rules/NamespaceRule.cs b/Source/External/ExCSS/Model/Rules/NamespaceRule.cs
index 0981f4688d00a378eb36f03aea4d744457c39f96..839e3e84303a74a9b4da5b312fd776aba9313622 100644
--- a/Source/External/ExCSS/Model/Rules/NamespaceRule.cs
+++ b/Source/External/ExCSS/Model/Rules/NamespaceRule.cs
@@ -1,8 +1,8 @@
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model.Extensions;
 // ReSharper disable once CheckNamespace
 
 
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class NamespaceRule : RuleSet
     {
diff --git a/Source/External/ExCSS/Model/Rules/PageRule.cs b/Source/External/ExCSS/Model/Rules/PageRule.cs
index 43bb0d3db2e62fb68ae12d060c0cf9470b3a6039..b9c3304d6703e3469dc0201425ac060508a50dc3 100644
--- a/Source/External/ExCSS/Model/Rules/PageRule.cs
+++ b/Source/External/ExCSS/Model/Rules/PageRule.cs
@@ -1,8 +1,8 @@
-using ExCSS.Model;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class PageRule : RuleSet, ISupportsSelector, ISupportsDeclarations
     {
diff --git a/Source/External/ExCSS/Model/Rules/RuleSet.cs b/Source/External/ExCSS/Model/Rules/RuleSet.cs
index ec811e0b957e7ae2e0672c64d14ad6b37e6fec12..0dcb8c8628f75ed8be0057348a69c02c4f8ad0cb 100644
--- a/Source/External/ExCSS/Model/Rules/RuleSet.cs
+++ b/Source/External/ExCSS/Model/Rules/RuleSet.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public abstract class RuleSet
     {
diff --git a/Source/External/ExCSS/Model/Rules/StyleDeclaration.cs b/Source/External/ExCSS/Model/Rules/StyleDeclaration.cs
index 2d66277f3dfc4239c168c40a1f70b61539ec4979..f734876e3f2097f0a2e5aad96b75693d66c98e1c 100644
--- a/Source/External/ExCSS/Model/Rules/StyleDeclaration.cs
+++ b/Source/External/ExCSS/Model/Rules/StyleDeclaration.cs
@@ -4,7 +4,7 @@ using System.Collections.Generic;
 using System.Text;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class StyleDeclaration : IList<Property>
     {
diff --git a/Source/External/ExCSS/Model/Rules/StyleRule.cs b/Source/External/ExCSS/Model/Rules/StyleRule.cs
index 1b6780de1a3bedd2a06c37a873084efabc7fd785..6feb6820948eb0d47ee2d6ff7325d713cd9bb4b5 100644
--- a/Source/External/ExCSS/Model/Rules/StyleRule.cs
+++ b/Source/External/ExCSS/Model/Rules/StyleRule.cs
@@ -1,9 +1,9 @@
 using System;
-using ExCSS.Model;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class StyleRule : RuleSet, ISupportsSelector, ISupportsDeclarations
     {
diff --git a/Source/External/ExCSS/Model/Rules/SupportsRule.cs b/Source/External/ExCSS/Model/Rules/SupportsRule.cs
index b4349c3c0b796f6ecfb5734dcdd638d4e084c3b4..3f8714ff0a68feedb8020d20d6ea25640d419321 100644
--- a/Source/External/ExCSS/Model/Rules/SupportsRule.cs
+++ b/Source/External/ExCSS/Model/Rules/SupportsRule.cs
@@ -1,8 +1,8 @@
 using System.Linq;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class SupportsRule : ConditionalRule
     {
diff --git a/Source/External/ExCSS/Model/Selector/AggregateSelectorList.cs b/Source/External/ExCSS/Model/Selector/AggregateSelectorList.cs
index f93de033db66b9ba338081e0388335315223da82..72761332c387596bedc62aa6c513199fa7aa1f09 100644
--- a/Source/External/ExCSS/Model/Selector/AggregateSelectorList.cs
+++ b/Source/External/ExCSS/Model/Selector/AggregateSelectorList.cs
@@ -2,7 +2,7 @@
 using System.Text;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class AggregateSelectorList : SelectorList
     {
diff --git a/Source/External/ExCSS/Model/Selector/BaseSelector.cs b/Source/External/ExCSS/Model/Selector/BaseSelector.cs
index c718b5686fb527763575e1c7b0f22d434aa51f1e..a229e8ad0fec076d97ac4df7df6f496363c4bdf6 100644
--- a/Source/External/ExCSS/Model/Selector/BaseSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/BaseSelector.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public abstract class BaseSelector
     {
diff --git a/Source/External/ExCSS/Model/Selector/CombinatorSelector.cs b/Source/External/ExCSS/Model/Selector/CombinatorSelector.cs
index f8be92c6e25811d06dd38d65d45e8f1adc1b63cc..d37bc2ef43cee29daadd2014f3b1fe3e806bd6bc 100644
--- a/Source/External/ExCSS/Model/Selector/CombinatorSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/CombinatorSelector.cs
@@ -1,8 +1,8 @@
 using System;
-using ExCSS.Model;
+using Svg.ExCSS.Model;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public struct CombinatorSelector
     {
diff --git a/Source/External/ExCSS/Model/Selector/ComplexSelector.cs b/Source/External/ExCSS/Model/Selector/ComplexSelector.cs
index e39969875faf92fa2b00894e53beaffe66e158f8..275ccac2d79c11c494052337b97b168b84cc77f5 100644
--- a/Source/External/ExCSS/Model/Selector/ComplexSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/ComplexSelector.cs
@@ -4,7 +4,7 @@ using System.Collections.Generic;
 using System.Collections;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class ComplexSelector : BaseSelector, IEnumerable<CombinatorSelector>
     {
diff --git a/Source/External/ExCSS/Model/Selector/FirstChildSelector.cs b/Source/External/ExCSS/Model/Selector/FirstChildSelector.cs
index 569bbac788af20f1038281476be9650a96cb6813..811cfba81868c77a9c73457fc02135b2376db8fb 100644
--- a/Source/External/ExCSS/Model/Selector/FirstChildSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/FirstChildSelector.cs
@@ -1,5 +1,5 @@
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal sealed class FirstChildSelector : BaseSelector, IToString
     {
diff --git a/Source/External/ExCSS/Model/Selector/LastChildSelector.cs b/Source/External/ExCSS/Model/Selector/LastChildSelector.cs
index f0d1bfbdc4c180ceff34d8f06745740db2a058f0..aa1f0618a8a37781d706f97eaef5d6ba93919c43 100644
--- a/Source/External/ExCSS/Model/Selector/LastChildSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/LastChildSelector.cs
@@ -1,5 +1,5 @@
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal sealed class LastChildSelector : BaseSelector, IToString
     {
diff --git a/Source/External/ExCSS/Model/Selector/MultipleSelectorList.cs b/Source/External/ExCSS/Model/Selector/MultipleSelectorList.cs
index 57e1e70ca7284a02c871d5577aab61419980ee48..97df297a6a0b52c5da623a04cad78b43fac3446d 100644
--- a/Source/External/ExCSS/Model/Selector/MultipleSelectorList.cs
+++ b/Source/External/ExCSS/Model/Selector/MultipleSelectorList.cs
@@ -1,7 +1,7 @@
 using System.Text;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class MultipleSelectorList : SelectorList, IToString
     {
diff --git a/Source/External/ExCSS/Model/Selector/NthChildSelector.cs b/Source/External/ExCSS/Model/Selector/NthChildSelector.cs
index 77fc7425e2cbbefb634200ac3aa881315a3e21fe..9147c02e7f3ee4485590a2484a126d5fa722d1cc 100644
--- a/Source/External/ExCSS/Model/Selector/NthChildSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/NthChildSelector.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal abstract class NthChildSelector : BaseSelector, IToString
     {
diff --git a/Source/External/ExCSS/Model/Selector/NthFirstChildSelector.cs b/Source/External/ExCSS/Model/Selector/NthFirstChildSelector.cs
index 154f66292c46f8c1c5f3cd636630e2d159c291c1..7c5868db5831117d1044ee34f034ed918d559457 100644
--- a/Source/External/ExCSS/Model/Selector/NthFirstChildSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/NthFirstChildSelector.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal sealed class NthFirstChildSelector : NthChildSelector, IToString
     {
diff --git a/Source/External/ExCSS/Model/Selector/NthLastChildSelector.cs b/Source/External/ExCSS/Model/Selector/NthLastChildSelector.cs
index 797b627578aed515eba0980143d2638c818e8666..289b38afda4cc74df3c5a05e659a488014e9665e 100644
--- a/Source/External/ExCSS/Model/Selector/NthLastChildSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/NthLastChildSelector.cs
@@ -1,7 +1,7 @@
 using System;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal sealed class NthLastChildSelector : NthChildSelector, IToString
     {
diff --git a/Source/External/ExCSS/Model/Selector/NthLastOfTypeSelector.cs b/Source/External/ExCSS/Model/Selector/NthLastOfTypeSelector.cs
index b1bbf9182672c3ffc5987ae67a60dbd29d02009c..52196979183cb388c7ab554fbbeac8dbba11bff9 100644
--- a/Source/External/ExCSS/Model/Selector/NthLastOfTypeSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/NthLastOfTypeSelector.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal sealed class NthLastOfTypeSelector : NthChildSelector, IToString
     {
diff --git a/Source/External/ExCSS/Model/Selector/NthOfTypeSelector.cs b/Source/External/ExCSS/Model/Selector/NthOfTypeSelector.cs
index 66a704cbb8f78f465948f8fb2b5d8f9386a9f839..ce2d156f6a701b07f28117e86b1f4f1790982ff4 100644
--- a/Source/External/ExCSS/Model/Selector/NthOfTypeSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/NthOfTypeSelector.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal sealed class NthOfTypeSelector : NthChildSelector, IToString
     {
diff --git a/Source/External/ExCSS/Model/Selector/SelectorFactory.cs b/Source/External/ExCSS/Model/Selector/SelectorFactory.cs
index 127b2ab1969980de4fd3cae20b8b17bb5161ef21..d304634dfb3ffffe4b6d33d97905778a6834916f 100644
--- a/Source/External/ExCSS/Model/Selector/SelectorFactory.cs
+++ b/Source/External/ExCSS/Model/Selector/SelectorFactory.cs
@@ -1,10 +1,10 @@
 using System;
 using System.Globalization;
-using ExCSS.Model;
-using ExCSS.Model.TextBlocks;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.TextBlocks;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal sealed class SelectorFactory
     {
diff --git a/Source/External/ExCSS/Model/Selector/SelectorList.cs b/Source/External/ExCSS/Model/Selector/SelectorList.cs
index dc9b7f204ba8d06a495f3d556357d95745ca8ce0..78b7901146835768aa20ecb42f3c593c3acfc333 100644
--- a/Source/External/ExCSS/Model/Selector/SelectorList.cs
+++ b/Source/External/ExCSS/Model/Selector/SelectorList.cs
@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public abstract class SelectorList : BaseSelector, IEnumerable<BaseSelector>
     {
diff --git a/Source/External/ExCSS/Model/Selector/SimpleSelector.cs b/Source/External/ExCSS/Model/Selector/SimpleSelector.cs
index 0fc2f29d3c27a5079189b516956ff290cdc7767f..886b4facac0b0e0e1b022e37fa84297e0aaea547 100644
--- a/Source/External/ExCSS/Model/Selector/SimpleSelector.cs
+++ b/Source/External/ExCSS/Model/Selector/SimpleSelector.cs
@@ -1,8 +1,8 @@
 using System;
-using ExCSS.Model;
+using Svg.ExCSS.Model;
 // ReSharper disable once CheckNamespace
 
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public sealed class SimpleSelector : BaseSelector
     {
diff --git a/Source/External/ExCSS/Model/Specification.cs b/Source/External/ExCSS/Model/Specification.cs
index 2da18d370ddaa2c3b2fbc6cf5027357dd9acaffb..12011ae7d8ac40ae683094a61991f0e828925afc 100644
--- a/Source/External/ExCSS/Model/Specification.cs
+++ b/Source/External/ExCSS/Model/Specification.cs
@@ -1,4 +1,4 @@
-namespace ExCSS.Model
+namespace Svg.ExCSS.Model
 {
     internal static class Specification
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/Block.cs b/Source/External/ExCSS/Model/TextBlocks/Block.cs
index 16f02dc80eb98ec759b3f1c70203c022366b4581..9478361fd31b23c95f516b9aeca5e35e5cb66dd7 100644
--- a/Source/External/ExCSS/Model/TextBlocks/Block.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/Block.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal abstract class Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/BracketBlock.cs b/Source/External/ExCSS/Model/TextBlocks/BracketBlock.cs
index 5de795bd3fdada2390fee7511f0879b6973ff5a3..313b647270fa6545007489638b12d84b47c6be7c 100644
--- a/Source/External/ExCSS/Model/TextBlocks/BracketBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/BracketBlock.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class BracketBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/CharacterBlock.cs b/Source/External/ExCSS/Model/TextBlocks/CharacterBlock.cs
index f5c44731402053688a41771144b036f32484d814..3f28ed65a234f6e0af3f8c6bc9ad5dfc8e0f1d03 100644
--- a/Source/External/ExCSS/Model/TextBlocks/CharacterBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/CharacterBlock.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal abstract class CharacterBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/CommentBlock.cs b/Source/External/ExCSS/Model/TextBlocks/CommentBlock.cs
index a9fe661622bb65940d7218d5c81bcbdff94a0fc0..8a62973d61821537e1ad2ad12df3a4fe869fc184 100644
--- a/Source/External/ExCSS/Model/TextBlocks/CommentBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/CommentBlock.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class CommentBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/DelimiterBlock.cs b/Source/External/ExCSS/Model/TextBlocks/DelimiterBlock.cs
index 6e14f444ee2a42349ba8c8ad6c0829d12ad4d5a1..65bc7decce432c8cf7ecc31e1d1786abe387b642 100644
--- a/Source/External/ExCSS/Model/TextBlocks/DelimiterBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/DelimiterBlock.cs
@@ -1,7 +1,7 @@
 
 using System.Globalization;
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class DelimiterBlock : CharacterBlock
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/MatchBlock.cs b/Source/External/ExCSS/Model/TextBlocks/MatchBlock.cs
index eb334c067a31fe01f28bcf9d40affd63d5a44599..2be09216f27d428b1680a16e47699530be646733 100644
--- a/Source/External/ExCSS/Model/TextBlocks/MatchBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/MatchBlock.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class MatchBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/NumericBlock.cs b/Source/External/ExCSS/Model/TextBlocks/NumericBlock.cs
index facab18ea5e2c17aaa203085b37aa891a6509981..310f6562ba398622c860ccd9e67541e7cfce7fe7 100644
--- a/Source/External/ExCSS/Model/TextBlocks/NumericBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/NumericBlock.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Globalization;
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class NumericBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/PipeBlock.cs b/Source/External/ExCSS/Model/TextBlocks/PipeBlock.cs
index 8beefed39e73a190eb6829e39817e783598e1ffc..b67bb7509a15e1ae2f7dd3b4b0907d4301101c27 100644
--- a/Source/External/ExCSS/Model/TextBlocks/PipeBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/PipeBlock.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class PipeBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/RangeBlock.cs b/Source/External/ExCSS/Model/TextBlocks/RangeBlock.cs
index 56471cb18f6f58ccfe9d5bb47b728224348b8efb..d7bcb9ff0616448a586ff650aa0f5745f9ba998f 100644
--- a/Source/External/ExCSS/Model/TextBlocks/RangeBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/RangeBlock.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class RangeBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/SpecialCharacter.cs b/Source/External/ExCSS/Model/TextBlocks/SpecialCharacter.cs
index 48fd9a2edeabb463a2614c37a39f4978336bba00..fd72d7438eaf0e34c67130b9a2f5c0cc14260c9b 100644
--- a/Source/External/ExCSS/Model/TextBlocks/SpecialCharacter.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/SpecialCharacter.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class SpecialCharacter : CharacterBlock
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/StringBlock.cs b/Source/External/ExCSS/Model/TextBlocks/StringBlock.cs
index cce8390b64d345431ac7c38d2401f41d227c8362..f3934912164de70d09bd645607be0a4c10d20ce8 100644
--- a/Source/External/ExCSS/Model/TextBlocks/StringBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/StringBlock.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class StringBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/SymbolBlock.cs b/Source/External/ExCSS/Model/TextBlocks/SymbolBlock.cs
index f2c9024756adcffa2aaf12321d21440d18d1e28f..254e666b4a78b54589a15cba144fa254311524c3 100644
--- a/Source/External/ExCSS/Model/TextBlocks/SymbolBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/SymbolBlock.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class SymbolBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/TextBlocks/UnitBlock.cs b/Source/External/ExCSS/Model/TextBlocks/UnitBlock.cs
index 2a21858c4edf1680a1df22190bee8b285fbd53b9..a51a2b8417e4b999e88405f2f60bbcf98d0d0a8b 100644
--- a/Source/External/ExCSS/Model/TextBlocks/UnitBlock.cs
+++ b/Source/External/ExCSS/Model/TextBlocks/UnitBlock.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Globalization;
 
-namespace ExCSS.Model.TextBlocks
+namespace Svg.ExCSS.Model.TextBlocks
 {
     internal class UnitBlock : Block
     {
diff --git a/Source/External/ExCSS/Model/Values/GenericFunction.cs b/Source/External/ExCSS/Model/Values/GenericFunction.cs
index 6f5ce1a4c46c3e8469161c1b4943f05f6a2d53d5..7775f5db67d0b36f7ffbde960800ba1d61d716c6 100644
--- a/Source/External/ExCSS/Model/Values/GenericFunction.cs
+++ b/Source/External/ExCSS/Model/Values/GenericFunction.cs
@@ -1,9 +1,9 @@
 using System.Collections.Generic;
 using System.Text;
-using ExCSS.Model;
+using Svg.ExCSS.Model;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class GenericFunction : Term
     {
diff --git a/Source/External/ExCSS/Model/Values/HtmlColor.cs b/Source/External/ExCSS/Model/Values/HtmlColor.cs
index 32d50df1e7426bde0e1bb5d93ce3d7298e8d3049..dc00982708f015d8b978d297dab2cf7e899396f5 100644
--- a/Source/External/ExCSS/Model/Values/HtmlColor.cs
+++ b/Source/External/ExCSS/Model/Values/HtmlColor.cs
@@ -1,10 +1,10 @@
 using System;
 using System.Runtime.InteropServices;
-using ExCSS.Model;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class HtmlColor : Term, IEquatable<HtmlColor>
     {
diff --git a/Source/External/ExCSS/Model/Values/InheritTerm.cs b/Source/External/ExCSS/Model/Values/InheritTerm.cs
index c39c02334d47c0c33c35c206256560d413250f99..2b07fdb4e8beffbad1c4baccc9fceff39c6306ad 100644
--- a/Source/External/ExCSS/Model/Values/InheritTerm.cs
+++ b/Source/External/ExCSS/Model/Values/InheritTerm.cs
@@ -1,6 +1,6 @@
 using System;
 
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class InheritTerm : Term
     {
diff --git a/Source/External/ExCSS/Model/Values/PrimitiveTerm.cs b/Source/External/ExCSS/Model/Values/PrimitiveTerm.cs
index 332e57b8ddc0a2af49aef9d46ad69471c22810d6..588bbc2e4a9f33fcc8bfdf1c64b4d9f0290a02d9 100644
--- a/Source/External/ExCSS/Model/Values/PrimitiveTerm.cs
+++ b/Source/External/ExCSS/Model/Values/PrimitiveTerm.cs
@@ -2,7 +2,7 @@
 using System.Globalization;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class PrimitiveTerm : Term
     {
diff --git a/Source/External/ExCSS/Model/Values/Property.cs b/Source/External/ExCSS/Model/Values/Property.cs
index ebc7a0893ef25cfb1575696e3147c949262b469c..922ccd60d4255516e8ceb7fe02b9325a5c76d81a 100644
--- a/Source/External/ExCSS/Model/Values/Property.cs
+++ b/Source/External/ExCSS/Model/Values/Property.cs
@@ -1,7 +1,7 @@
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class Property
     {
diff --git a/Source/External/ExCSS/Model/Values/Term.cs b/Source/External/ExCSS/Model/Values/Term.cs
index 25f695e48592bd199059746200c62f83db2fa339..c358838886b74cc3ddb9d0b58200fa06dc18a54d 100644
--- a/Source/External/ExCSS/Model/Values/Term.cs
+++ b/Source/External/ExCSS/Model/Values/Term.cs
@@ -1,6 +1,6 @@
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public abstract class Term
     {
diff --git a/Source/External/ExCSS/Model/Values/TermList.cs b/Source/External/ExCSS/Model/Values/TermList.cs
index 3dae213daed92404c31a990fa4738f6d2db983b2..31bd366a5bef2bd3d84d8ad1fe4988317ec5aacc 100644
--- a/Source/External/ExCSS/Model/Values/TermList.cs
+++ b/Source/External/ExCSS/Model/Values/TermList.cs
@@ -4,7 +4,7 @@ using System.Runtime.CompilerServices;
 using System.Text;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public class TermList : Term
     {
diff --git a/Source/External/ExCSS/Parser.Blocks.cs b/Source/External/ExCSS/Parser.Blocks.cs
index 9406aecec20db4adbdbf0f2a3edc3ef59e206044..fd5f3754d7f133d1622ccacd0e0d14d0b7a54ef6 100644
--- a/Source/External/ExCSS/Parser.Blocks.cs
+++ b/Source/External/ExCSS/Parser.Blocks.cs
@@ -1,10 +1,10 @@
 using System;
 using System.Text;
 using System.Collections.Generic;
-using ExCSS.Model;
-using ExCSS.Model.TextBlocks;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.TextBlocks;
 
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public partial class Parser
     {
diff --git a/Source/External/ExCSS/Parser.cs b/Source/External/ExCSS/Parser.cs
index 794bdfb60b214294f3d55b190a17d0aa023cc8c3..45441024a8c8957805ff6284e8bebb85d114389d 100644
--- a/Source/External/ExCSS/Parser.cs
+++ b/Source/External/ExCSS/Parser.cs
@@ -1,8 +1,8 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using ExCSS.Model;
-using ExCSS.Model.TextBlocks;
+using Svg.ExCSS.Model;
+using Svg.ExCSS.Model.TextBlocks;
 
 // ReSharper disable once CheckNamespace
 using System;
@@ -30,7 +30,7 @@ using System;
 //SOFTWARE.
 
 
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal delegate void ParseErrorEventHandler(StylesheetParseError e);
 
diff --git a/Source/External/ExCSS/StyleSheet.cs b/Source/External/ExCSS/StyleSheet.cs
index 6be25e459d6ec7034524e0d5ba2fe437b3a276ca..63822b6dba793bd082df656a086bde529fe714dd 100644
--- a/Source/External/ExCSS/StyleSheet.cs
+++ b/Source/External/ExCSS/StyleSheet.cs
@@ -2,10 +2,10 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using ExCSS.Model.Extensions;
+using Svg.ExCSS.Model.Extensions;
 
 // ReSharper disable once CheckNamespace
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public sealed class StyleSheet
     {
diff --git a/Source/External/ExCSS/StylesheetParseError.cs b/Source/External/ExCSS/StylesheetParseError.cs
index 090629c5fda57c46545dad0943cfa5fec54dd90c..2f5fdbd12ac452aae6be5bcfd4a6a4a681227841 100644
--- a/Source/External/ExCSS/StylesheetParseError.cs
+++ b/Source/External/ExCSS/StylesheetParseError.cs
@@ -1,5 +1,5 @@
 
-namespace ExCSS
+namespace Svg.ExCSS
 {
     public sealed class StylesheetParseError
     {
diff --git a/Source/External/ExCSS/StylesheetReader.cs b/Source/External/ExCSS/StylesheetReader.cs
index 0446822b718849f66e883018711aa09198d95c35..377d5d8d30fbb8f05de674246fb4ee93471e2a8c 100644
--- a/Source/External/ExCSS/StylesheetReader.cs
+++ b/Source/External/ExCSS/StylesheetReader.cs
@@ -1,9 +1,9 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Text;
-using ExCSS.Model;
+using Svg.ExCSS.Model;
 
-namespace ExCSS
+namespace Svg.ExCSS
 {
     internal class StylesheetReader
     {
diff --git a/Source/SvgDocument.cs b/Source/SvgDocument.cs
index 107c5febcc13b54c7803ec13997b70935d14d080..4be6105eeace8ece4c3812efb3ea1c66c80c7a7b 100644
--- a/Source/SvgDocument.cs
+++ b/Source/SvgDocument.cs
@@ -9,7 +9,7 @@ using System.IO;
 using System.Text;
 using System.Xml;
 using System.Linq;
-using ExCSS;
+using Svg.ExCSS;
 using Svg.Css;
 using System.Threading;
 using System.Globalization;
diff --git a/Source/SvgElementFactory.cs b/Source/SvgElementFactory.cs
index de78d173dbe4fd501a0593ac07fa278d1de43b02..46c54223213f24023820d572f0039ef10e248819 100644
--- a/Source/SvgElementFactory.cs
+++ b/Source/SvgElementFactory.cs
@@ -5,7 +5,7 @@ using System.Xml;
 using System.ComponentModel;
 using System.Diagnostics;
 using System.Linq;
-using ExCSS;
+using Svg.ExCSS;
 
 namespace Svg
 {
diff --git a/Tests/Svg.UnitTests/CssQueryTest.cs b/Tests/Svg.UnitTests/CssQueryTest.cs
index f671ecdfc306879f9d534fa1e51869584c920fcd..4bc8da7a3a4fb5ca9796218b9ba0214335d09624 100644
--- a/Tests/Svg.UnitTests/CssQueryTest.cs
+++ b/Tests/Svg.UnitTests/CssQueryTest.cs
@@ -1,7 +1,7 @@
 using Svg.Css;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using System;
-using ExCSS;
+using Svg.ExCSS;
 
 namespace Svg.UnitTests
 {