.radio {
    width: 21px;
    height: 21px;
    margin-right:10px;
    display: block;
    clear: left;
    float: left;
    /*background: url(../img/BotonesCheck.png) no-repeat;*/
    background: url('../img/chkboxCheck2.png') no-repeat;
    cursor: pointer;
    border: 1px solid #ddd;
}

input.styled { display: none; } 
/*.disabled { opacity: 0.5; filter: alpha(opacity=50); }*/