.wppb-radios li input[type="radio"] {
    visibility: hidden;
}
.wppb-radios li input[type="radio"] + label {
    padding: 8px 15px;
    background: #fff;
    border: 0;
    margin-left: -15px;
    cursor: pointer;
    border-radius: 4px;
    margin-bottom: 10px;
}
.wppb-radios li input[type="radio"]:checked + label{
	background: #febc4c;
}