diff --git a/public/global.css b/public/global.css
index 4ee0be0..c9c0069 100644
--- a/public/global.css
+++ b/public/global.css
@@ -7,6 +7,10 @@
   --bright-main: white;
   --bright-second: #DFDFDF;
   --bright-third: #777777;
+
+  --red: #FF2020;
+  --green: #20FF20;
+  --blue: #2020FF;
 }
 
 ::selection {
diff --git a/public/md.css b/public/md.css
index 3adae40..cf3a157 100644
--- a/public/md.css
+++ b/public/md.css
@@ -130,15 +130,15 @@
 }
 
 .md .red {
-  color: #FF2020;
+  color: var(--red);
 }
 
 .md .green {
-  color: #20FF20;
+  color: var(--green);
 }
 
 .md .blue {
-  color: #2020FF;
+  color: var(--blue);
 }
 
 .md blockquote {