Remove rounded-button styles from about.html

Removed styles for rounded-button class.

Author: Gmac4247

about.html

@@ -69,16 +69,7 @@
 	    body {
             font-family: 'OpenDyslexic', sans-serif;
 	    }
-.rounded-button {
-  display: inline-block;
-  padding: 10px 20px;
-  background-color: #007bff;
-  color: white;
-  text-decoration: none;
-  border-radius: 15px;
-  text-align: center;
-  transition: background-color 0.3s ease;
-	}
+
 </style>
 <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
 <meta name="description" content="About the context of the Core Geometric System ™, the best-established and most accurate framework to calculate area and volume.">