#main {
    width:400px;
    height:200px;
    margin:0 auto;
    overflow:visible;
    position:absolute;
    left:50%;
    top:50%;
    margin-left:-200px;
    margin-top:-100px; 

}

body{
 font-family: Verdana,Arial,sans-serif  !important; 
 font-size: 12px !important;
 background-color: #E8D8C0 !important;
 margin-top: 20px;

}

.mainbutton{
    margin-top: 10px;
    width: 300px;
    margin-left: 30px;
}