Added red color as background

Author: jarango-lopez

style.css

@@ -1,8 +1,11 @@
 .blue {
 			background-color:blue
 }
-.circle{
+.circle {
 			border-radius:50%;
 			width:500px;
 			height:500px;
 }
+.red {
+            background-color: red
+}