body {  
    margin: 0;  
    padding: 0; 
	background-color: #20252b; 
}
a:focus{outline:none;} 
#base {
	background-image: url(../images/center_bg.jpg);
	background-repeat: repeat-x;
	height: 169px;
	margin-top: 15%;
}
#aboutme a {
	background-image: url(../images/about_button.png);
	background-repeat: no-repeat;
	background-position: 0px 0px;
	display: block;
	height: 0px;
	width: 56px;
	padding-top: 57px;
	margin-right: auto;
	margin-left: auto;
	overflow: hidden;
}
#aboutme a:hover{background-position: -55px 0px;}
#aboutme a:active{background-position: -110px 0px;}