used tabs like the rest of the file

public/css/style.css

@@ -370,6 +370,8 @@ div.container div.blockBody:nth-of-type(2) table tr:first-of-type th:last-of-typ
 	background: transparent url(/img/sun.png) no-repeat;
 	background-size: 24px;
 	margin-top: 10px;
+	height: 24px;
+	width: 24px;
 }
 
 footer {