radiobutton Custom

.radiobutonat input[type="radio"]{
    position: absolute;
    left: -9999px;
}
.radiobutonat input[type="radio"] + span {
    position: relative;
    padding: 0 0 0 40px;
    cursor: pointer;
}
.radiobutonat input[type="radio"] +span:before{
    content: '';
    background: white;
    border: 2px solid green;
    height: 25px;
    width: 25px;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 0;
}
.radiobutonat input[type="radio"] +span:after{
    content: '';
    background: green;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    position: absolute;
    top: 5px;
    left: 5px;
    opacity: 0;

}
.radiobutonat input[type="radio"]:checked +span:after{
    opacity: 1;
}