Color classes were made `static` (#639)

Co-authored-by: Lehonti Ramos <lehonti@ramos>
Co-authored-by: Marcin Ziąbek <[email protected]>

Source/QuestPDF/Helpers/Colors.cs

@@ -16,13 +16,13 @@
     /// Colors.Yellow.Accent2; 
     /// </code>
     /// </example>
-    public class Colors
+    public static class Colors
     {
         public const string Black = "#000000";
         public const string White = "#ffffff";
         public const string Transparent = "#00000000";
 
-        public class Red
+        public static class Red
         {
             public const string Lighten5 = "#ffebee";
             public const string Lighten4 = "#ffcdd2";
@@ -43,7 +43,7 @@
             public const string Accent4 = "#d50000";
         }
 
-        public class Pink
+        public static class Pink
         {
             public const string Lighten5 = "#fce4ec";
             public const string Lighten4 = "#f8bbd0";
@@ -64,7 +64,7 @@
             public const string Accent4 = "#c51162";
         }
 
-        public class Purple
+        public static class Purple
         {
             public const string Lighten5 = "#f3e5f5";
             public const string Lighten4 = "#e1bee7";
@@ -85,7 +85,7 @@
             public const string Accent4 = "#aa00ff";
         }
 
-        public class DeepPurple
+        public static class DeepPurple
         {
             public const string Lighten5 = "#ede7f6";
             public const string Lighten4 = "#d1c4e9";
@@ -106,7 +106,7 @@
             public const string Accent4 = "#6200ea";
         }
 
-        public class Indigo
+        public static class Indigo
         {
             public const string Lighten5 = "#e8eaf6";
             public const string Lighten4 = "#c5cae9";
@@ -127,7 +127,7 @@
             public const string Accent4 = "#304ffe";
         }
 
-        public class Blue
+        public static class Blue
         {
             public const string Lighten5 = "#e3f2fd";
             public const string Lighten4 = "#bbdefb";
@@ -148,7 +148,7 @@
             public const string Accent4 = "#2962ff";
         }
 
-        public class LightBlue
+        public static class LightBlue
         {
             public const string Lighten5 = "#e1f5fe";
             public const string Lighten4 = "#b3e5fc";
@@ -169,7 +169,7 @@
             public const string Accent4 = "#0091ea";
         }
 
-        public class Cyan
+        public static class Cyan
         {
             public const string Lighten5 = "#e0f7fa";
             public const string Lighten4 = "#b2ebf2";
@@ -190,7 +190,7 @@
             public const string Accent4 = "#00b8d4";
         }
 
-        public class Teal
+        public static class Teal
         {
             public const string Lighten5 = "#e0f2f1";
             public const string Lighten4 = "#b2dfdb";
@@ -211,7 +211,7 @@
             public const string Accent4 = "#00bfa5";
         }
 
-        public class Green
+        public static class Green
         {
             public const string Lighten5 = "#e8f5e9";
             public const string Lighten4 = "#c8e6c9";
@@ -232,7 +232,7 @@
             public const string Accent4 = "#00c853";
         }
 
-        public class LightGreen
+        public static class LightGreen
         {
             public const string Lighten5 = "#f1f8e9";
             public const string Lighten4 = "#dcedc8";
@@ -253,7 +253,7 @@
             public const string Accent4 = "#64dd17";
         }
 
-        public class Lime
+        public static class Lime
         {
             public const string Lighten5 = "#f9fbe7";
             public const string Lighten4 = "#f0f4c3";
@@ -274,7 +274,7 @@
             public const string Accent4 = "#aeea00";
         }
 
-        public class Yellow
+        public static class Yellow
         {
             public const string Lighten5 = "#fffde7";
             public const string Lighten4 = "#fff9c4";
@@ -295,7 +295,7 @@
             public const string Accent4 = "#ffd600";
         }
 
-        public class Amber
+        public static class Amber
         {
             public const string Lighten5 = "#fff8e1";
             public const string Lighten4 = "#ffecb3";
@@ -316,7 +316,7 @@
             public const string Accent4 = "#ffab00";
         }
 
-        public class Orange
+        public static class Orange
         {
             public const string Lighten5 = "#fff3e0";
             public const string Lighten4 = "#ffe0b2";
@@ -337,7 +337,7 @@
             public const string Accent4 = "#ff6d00";
         }
 
-        public class DeepOrange
+        public static class DeepOrange
         {
             public const string Lighten5 = "#fbe9e7";
             public const string Lighten4 = "#ffccbc";
@@ -358,7 +358,7 @@
             public const string Accent4 = "#dd2c00";
         }
 
-        public class Brown
+        public static class Brown
         {
             public const string Lighten5 = "#efebe9";
             public const string Lighten4 = "#d7ccc8";
@@ -374,7 +374,7 @@
             public const string Darken4 = "#3e2723";
         }
 
-        public class Grey
+        public static class Grey
         {
             public const string Lighten5 = "#fafafa";
             public const string Lighten4 = "#f5f5f5";
@@ -390,7 +390,7 @@
             public const string Darken4 = "#212121";
         }
 
-        public class BlueGrey
+        public static class BlueGrey
         {
             public const string Lighten5 = "#eceff1";
             public const string Lighten4 = "#cfd8dc";