.canvas {
    position:relative;    
    overflow:hidden;
}
form{
    overflow:hidden;
    position:relative;
}
body {
    overflow:hidden;
}
#radio {
    position:fixed;
    z-index:197;
    right:50px;
}
#radio a {
    display:block;
    background-color:#a9a9a9;
    height:15px;
    width:15px;  
    -webkit-border-radius:7.5px; 
-moz-border-radius:7.5px; 
-o-border-radius:7.5px; 
border-radius:7.5px;   
}