input[type=radio] {
        -webkit-appearance: none;
        -moz-appearance: none;
        -ms-appearance: none;
    }

    input[type=radio] {
        border-radius: 20px;
        height: 16px;
        width: 16px;
        background: #fff;
        border: 1px solid #ccc;
        position: relative;
        top:2px;
    }

    input[type="radio"]:checked {
        background: white;
        margin:0px;
        padding: 0 0 0 0px;
        font-size: 24px;
        line-height:11px;
        font-weight:bold;
        
    }

    input[type="radio"]:checked:before {
        content: '\25CF';
        display: block;
        color: black;
        position: absolute;
    }