Make <pre> background color more graish

Author: ckomop0x

source/scss/global.scss

@@ -38,7 +38,7 @@ pre {
   width: 100%;
   padding: 20px;
   border: 1px solid rgb(204, 89, 6);
-  background-color: #000;
+  background-color: #252525;
   color: rgba(255, 255, 255, 0.7);
   border-radius: 15px 0 15px 0;
 }