abbr
{
    background: rgb( 210, 210, 210 );
    background: -moz-linear-gradient( top, rgb( 210, 210, 210 ), rgb( 255, 255, 255 ) );
    background: -webkit-gradient( linear, left top, left bottom, from( rgb( 210, 210, 210 ) ), to( rgb( 255, 255, 255 ) ) );
    border-color: #ccc #aaa #888 #bbb;
    border-radius:25%; -moz-border-radius:25%; -webkit-border-radius:25%;
    border-style: solid;
    border-width: 3px 5px 6px 4px;
    cursor:pointer;
    display:inline-block;
    font-size:x-large;
    margin:5px 0px 1px 1px;
    min-width: 20px;
    padding:10px 10px 5px 10px; 
    min-height: 25px;
}