[HTML] Cleanup templates slightly

DiscordChatExporter.Core/Exporting/Writers/Html/MessageGroupTemplate.cshtml

@@ -1,8 +1,9 @@
 @using System
 @using System.Linq
 @using System.Threading.Tasks
+
 @namespace DiscordChatExporter.Core.Exporting.Writers.Html
-@inherits MiniRazor.TemplateBase<DiscordChatExporter.Core.Exporting.Writers.Html.MessageGroupTemplateContext>
+@inherits MiniRazor.TemplateBase<MessageGroupTemplateContext>
 
 @{
     string FormatDate(DateTimeOffset date) => Model.ExportContext.FormatDate(date);

DiscordChatExporter.Core/Exporting/Writers/Html/PostambleTemplate.cshtml

@@ -1,5 +1,5 @@
 @namespace DiscordChatExporter.Core.Exporting.Writers.Html
-@inherits MiniRazor.TemplateBase<DiscordChatExporter.Core.Exporting.Writers.Html.PostambleTemplateContext>
+@inherits MiniRazor.TemplateBase<PostambleTemplateContext>
 
 </div>
 

DiscordChatExporter.Core/Exporting/Writers/Html/PreambleTemplate.cshtml

@@ -1,7 +1,8 @@
 @using System
 @using System.Threading.Tasks
+
 @namespace DiscordChatExporter.Core.Exporting.Writers.Html
-@inherits MiniRazor.TemplateBase<DiscordChatExporter.Core.Exporting.Writers.Html.PreambleTemplateContext>
+@inherits MiniRazor.TemplateBase<PreambleTemplateContext>
 
 @{
     string FormatDate(DateTimeOffset date) => Model.ExportContext.FormatDate(date);

DiscordChatExporter.Core/Exporting/Writers/Html/StylesheetTemplate.cshtml

@@ -1,11 +1,13 @@
 @using System
+
 @namespace DiscordChatExporter.Core.Exporting.Writers.Html
-@inherits MiniRazor.TemplateBase<DiscordChatExporter.Core.Exporting.Writers.Html.PreambleTemplateContext>
+@inherits MiniRazor.TemplateBase<PreambleTemplateContext>
 
 @{
-    var isDarkTheme = string.Equals(Model.ThemeName, "Dark", StringComparison.OrdinalIgnoreCase);
-
-    string Themed(string darkVariant, string lightVariant) => isDarkTheme ? darkVariant : lightVariant;
+    string Themed(string darkVariant, string lightVariant) =>
+        string.Equals(Model.ThemeName, "Dark", StringComparison.OrdinalIgnoreCase)
+            ? darkVariant
+            : lightVariant;
 }
 
 <style>
@@ -268,12 +270,12 @@
         color: @Themed("#ffffff", "#2f3136");
     }
 
-    .chatlog__reference-content > * {
+    .chatlog__reference-content>* {
         display: inline;
         pointer-events: none;
     }
 
-    .chatlog__reference-content > a:hover {
+    .chatlog__reference-content>a:hover {
         text-decoration: none;
     }
 
@@ -365,22 +367,22 @@
         margin-right: 10px;
     }
 
-    .chatlog__attachment-icon > .a {
+    .chatlog__attachment-icon>.a {
         fill: #f4f5fb;
         d: path("M50,935a25,25,0,0,1-25-25V50A25,25,0,0,1,50,25H519.6L695,201.32V910a25,25,0,0,1-25,25Z");
     }
 
-    .chatlog__attachment-icon > .b {
+    .chatlog__attachment-icon>.b {
         fill: #7789c4;
         d: path("M509.21,50,670,211.63V910H50V50H509.21M530,0H50A50,50,0,0,0,0,50V910a50,50,0,0,0,50,50H670a50,50,0,0,0,50-50h0V191Z");
     }
 
-    .chatlog__attachment-icon > .c {
+    .chatlog__attachment-icon>.c {
         fill: #f4f5fb;
         d: path("M530,215a25,25,0,0,1-25-25V50a25,25,0,0,1,16.23-23.41L693.41,198.77A25,25,0,0,1,670,215Z");
     }
 
-    .chatlog__attachment-icon > .d {
+    .chatlog__attachment-icon>.d {
         fill: #7789c4;
         d: path("M530,70.71,649.29,190H530V70.71M530,0a50,50,0,0,0-50,50V190a50,50,0,0,0,50,50H670a50,50,0,0,0,50-50Z");
     }