diff --git a/Content.Client/UserInterface/GameHud.cs b/Content.Client/UserInterface/GameHud.cs
index 4eef7a335f..90446a5149 100644
--- a/Content.Client/UserInterface/GameHud.cs
+++ b/Content.Client/UserInterface/GameHud.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using Content.Client.Utility;
 using Content.Shared.Input;
 using Robust.Client.Graphics;
@@ -348,19 +348,19 @@ namespace Content.Client.UserInterface
                 switch (DrawMode)
                 {
                     case DrawModeEnum.Normal:
-                        StylePseudoClass = Button.StylePseudoClassNormal;
+                        AddStylePseudoClass(Button.StylePseudoClassNormal);
                         _textureRect.ModulateSelfOverride = ColorNormal;
                         _label.ModulateSelfOverride = ColorNormal;
                         break;
 
                     case DrawModeEnum.Pressed:
-                        StylePseudoClass = Button.StylePseudoClassPressed;
+                        AddStylePseudoClass(Button.StylePseudoClassPressed);
                         _textureRect.ModulateSelfOverride = ColorPressed;
                         _label.ModulateSelfOverride = ColorPressed;
                         break;
 
                     case DrawModeEnum.Hover:
-                        StylePseudoClass = Button.StylePseudoClassHover;
+                        AddStylePseudoClass(Button.StylePseudoClassHover);
                         _textureRect.ModulateSelfOverride = ColorHovered;
                         _label.ModulateSelfOverride = ColorHovered;
                         break;
diff --git a/Content.Client/UserInterface/NanoStyle.cs b/Content.Client/UserInterface/NanoStyle.cs
index d9c7cba7b6..264d012f46 100644
--- a/Content.Client/UserInterface/NanoStyle.cs
+++ b/Content.Client/UserInterface/NanoStyle.cs
@@ -211,7 +211,7 @@ namespace Content.Client.UserInterface
                 // Window close button hover.
                 new StyleRule(
                     new SelectorElement(typeof(TextureButton), new[] {SS14Window.StyleClassWindowCloseButton}, null,
-                        TextureButton.StylePseudoClassHover),
+                        new [] {TextureButton.StylePseudoClassHover}),
                     new[]
                     {
                         new StyleProperty(Control.StylePropertyModulateSelf, Color.FromHex("#7F3636")),
@@ -219,7 +219,7 @@ namespace Content.Client.UserInterface
                 // Window close button pressed.
                 new StyleRule(
                     new SelectorElement(typeof(TextureButton), new[] {SS14Window.StyleClassWindowCloseButton}, null,
-                        TextureButton.StylePseudoClassPressed),
+                        new [] {TextureButton.StylePseudoClassPressed}),
                     new[]
                     {
                         new StyleProperty(Control.StylePropertyModulateSelf, Color.FromHex("#753131")),
@@ -227,25 +227,25 @@ namespace Content.Client.UserInterface
 
                 // Regular buttons!
                 new StyleRule(
-                    new SelectorElement(typeof(Button), null, null, Button.StylePseudoClassNormal),
+                    new SelectorElement(typeof(Button), null, null, new [] {Button.StylePseudoClassNormal}),
                     new[]
                     {
                         new StyleProperty(Button.StylePropertyStyleBox, buttonNormal),
                     }),
                 new StyleRule(
-                    new SelectorElement(typeof(Button), null, null, Button.StylePseudoClassHover),
+                    new SelectorElement(typeof(Button), null, null, new [] {Button.StylePseudoClassHover}),
                     new[]
                     {
                         new StyleProperty(Button.StylePropertyStyleBox, buttonHover),
                     }),
                 new StyleRule(
-                    new SelectorElement(typeof(Button), null, null, Button.StylePseudoClassPressed),
+                    new SelectorElement(typeof(Button), null, null, new [] {Button.StylePseudoClassPressed}),
                     new[]
                     {
                         new StyleProperty(Button.StylePropertyStyleBox, buttonPressed),
                     }),
                 new StyleRule(
-                    new SelectorElement(typeof(Button), null, null, Button.StylePseudoClassDisabled),
+                    new SelectorElement(typeof(Button), null, null, new [] {Button.StylePseudoClassDisabled}),
                     new[]
                     {
                         new StyleProperty(Button.StylePropertyStyleBox, buttonDisabled),
@@ -283,7 +283,7 @@ namespace Content.Client.UserInterface
                         new StyleProperty("font-color", new Color(192, 192, 192)),
                     }),
 
-                new StyleRule(new SelectorElement(typeof(LineEdit), null, null, LineEdit.StylePseudoClassPlaceholder),
+                new StyleRule(new SelectorElement(typeof(LineEdit), null, null, new [] {LineEdit.StylePseudoClassPlaceholder}),
                     new[]
                     {
                         new StyleProperty("font-color", Color.Gray),
@@ -306,14 +306,14 @@ namespace Content.Client.UserInterface
                             vScrollBarGrabberNormal),
                     }),
 
-                new StyleRule(new SelectorElement(typeof(VScrollBar), null, null, ScrollBar.StylePseudoClassHover),
+                new StyleRule(new SelectorElement(typeof(VScrollBar), null, null, new [] {ScrollBar.StylePseudoClassHover}),
                     new[]
                     {
                         new StyleProperty(ScrollBar.StylePropertyGrabber,
                             vScrollBarGrabberHover),
                     }),
 
-                new StyleRule(new SelectorElement(typeof(VScrollBar), null, null, ScrollBar.StylePseudoClassGrabbed),
+                new StyleRule(new SelectorElement(typeof(VScrollBar), null, null, new [] {ScrollBar.StylePseudoClassGrabbed}),
                     new[]
                     {
                         new StyleProperty(ScrollBar.StylePropertyGrabber,
@@ -327,14 +327,14 @@ namespace Content.Client.UserInterface
                             hScrollBarGrabberNormal),
                     }),
 
-                new StyleRule(new SelectorElement(typeof(HScrollBar), null, null, ScrollBar.StylePseudoClassHover),
+                new StyleRule(new SelectorElement(typeof(HScrollBar), null, null, new [] {ScrollBar.StylePseudoClassHover}),
                     new[]
                     {
                         new StyleProperty(ScrollBar.StylePropertyGrabber,
                             hScrollBarGrabberHover),
                     }),
 
-                new StyleRule(new SelectorElement(typeof(HScrollBar), null, null, ScrollBar.StylePseudoClassGrabbed),
+                new StyleRule(new SelectorElement(typeof(HScrollBar), null, null, new [] {ScrollBar.StylePseudoClassGrabbed}),
                     new[]
                     {
                         new StyleProperty(ScrollBar.StylePropertyGrabber,
@@ -355,7 +355,7 @@ namespace Content.Client.UserInterface
                     new StyleProperty(CheckBox.StylePropertyIcon, checkBoxTextureUnchecked),
                 }),
 
-                new StyleRule(new SelectorElement(typeof(CheckBox), null, null, Button.StylePseudoClassPressed), new[]
+                new StyleRule(new SelectorElement(typeof(CheckBox), null, null, new [] {Button.StylePseudoClassPressed}), new[]
                 {
                     new StyleProperty(CheckBox.StylePropertyIcon, checkBoxTextureChecked),
                 }),
@@ -459,19 +459,19 @@ namespace Content.Client.UserInterface
 
                 // Those top menu buttons.
                 new StyleRule(
-                    new SelectorElement(typeof(GameHud.TopButton), null, null, Button.StylePseudoClassNormal), new []
+                    new SelectorElement(typeof(GameHud.TopButton), null, null, new [] {Button.StylePseudoClassNormal}), new []
                 {
                     new StyleProperty(Button.StylePropertyStyleBox, buttonNormal),
                 }),
 
                 new StyleRule(
-                    new SelectorElement(typeof(GameHud.TopButton), null, null, Button.StylePseudoClassPressed), new []
+                    new SelectorElement(typeof(GameHud.TopButton), null, null, new [] {Button.StylePseudoClassPressed}), new []
                 {
                     new StyleProperty(Button.StylePropertyStyleBox, buttonPressed),
                 }),
 
                 new StyleRule(
-                    new SelectorElement(typeof(GameHud.TopButton), null, null, Button.StylePseudoClassHover), new []
+                    new SelectorElement(typeof(GameHud.TopButton), null, null, new [] {Button.StylePseudoClassHover}), new []
                 {
                     new StyleProperty(Button.StylePropertyStyleBox, buttonHover),
                 }),