.centerDiv {	
	vertical-align:middle;
	text-align:center;	
}

.button {
    background-color: #007934; /* Green */
    border: 5px solid #7B868C;
    color: white;    
	padding: 5px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 1em;
    cursor: pointer;
    border-radius: 12px;
}