.giz_captcha{
    background-color: red;
    border-radius: 5px;
    color: #fff;
    cursor: pointer;
    display: block ;
    /*float: left;*/
    font: bold 14px/25px arial;
    /*margin-right: 10px;*/
    padding: 0 10px;}
.giz_captcha:hover{
    opacity: 0.7;}