Adds note on resizing css logo

Author: olizilla

js.html

@@ -10,6 +10,8 @@
  * by @olizilla
  */
 .js{
+  /* You can multiply the width by 0.58 to get the font-size..
+     so for a 100px logo, font size is 100 * 0.58 = 58px */
   width:200px;
   height:200px;
   font-size: 116px; 
@@ -44,4 +46,4 @@
     <div>JS</div>
   </div>
 </body>
-</html>
+</html>