html {
border: 0;
margin: 0;
padding: 0; }

body {
background-color:#fff;
margin:0px 0px 0px 0px;}

.center {
position:absolute;
top:50%;
text-align: center;
margin-top:-10%;
width: 100%;}

.content {
margin-left:auto;
margin-right:auto;
height: 100px;
width: 800px;
background-color: #fff;}