Update public/docs.html

public/docs.html

@@ -42,7 +42,7 @@
             font-weight: 400;
         }
         .code-block {
-            background: #e0f7ff;
+            background: #149414;
             padding: 30px;
             border-left: 5px solid #1e90ff;
             margin: 20px 0;