     :
input.serfnum {
    font: 12px Tahoma, Arial, sans-serif;
    text-shadow: 1px 1px 1px #304f12;
    text-align: center;
    color: #ffffff;
    background: url('../images/bg_capcha_b.png') no-repeat left top;
    height: 19px;
    width: 19px;
    vertical-align: middle;
    display: block;
    display: inline-block; /*ie*/
    text-decoration: none;
    outline: none;
    border: none;
    margin: 0 -2px 1px 0;
    padding: 0 1px 3px 0;
    cursor: pointer;
}
input.serfnum:hover {
    background-position: left bottom;
}


     
images/ico16/

    images

