/* Put any custom CSS rules here */
button {

padding:5px 15px; 

background:#ccc; 

cursor:pointer;

-webkit-border-radius: 5px; /* this is for chrome,safari */

 border-radius: 5px;

 color: green; 

font-size: 20px;

text-transform: uppercase; /* all capital */

}
button:after {

 content:'Register Now'; 

 visibility: visible;

 background-color: lightgrey;

 position: absolute;

 display: block;

 padding: 5px;

 top: 2px;

}