body {
       background-color:#666666;
       text-align:center;
       margin-top:60px;
       }

a:link { text-decoration:none; color:black;}
a:visited { text-decoration:none; color:black;}


img.imsv {
    border: 1px solid black;
    margin-left:25px;
    margin-right:26px;
    margin-top:5px;
    margin-bottom:5px;

}

img.imsh {
    border: 1px solid black;
    margin-left:5px;
    margin-right:5px;
    margin-top:25px;
    margin-bottom:26px;
}

div.nav {
    margin-top:10px;
}