a.shosai{
    background-color:#FFFF99;
    padding:0em;
    border-width:1px;
    border-color:#cccccc;
    border-style:ridge;
    text-align:center;
    text-decoration:none;
}
a:hover.shosai{
    background-color:#FFCC99;
    border-width:1px;
    border-color:#FFEEDB;
    border-style:ridge;
    text-align:center;
    text-decoration:none;
}