input[type=radio] {
    transform: scale(0.1);
}

label.radio {
    cursor: pointer;
    text-indent: 35px;
    overflow: visible;
    display: inline-block;
    position: relative;
    margin-bottom: 15px;
}

label.radio:before {
    background: #167f92;
    content:'';
    position: absolute;
    top:2px;
    left: 0;
    width: 20px;
    height: 20px;
    border-radius: 100%;
}

label.radio:after {
    opacity: 0;
    content: '';
    position: absolute;
    width: 0.9em;
    height: 0.60em;
    background: transparent;
    top: 7.5px;
    left: 4.5px;
    border: 3px solid #ffffff;
    border-top: none;
    border-right: none;

    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

input[type=radio]:checked + label:after {
    opacity: 1;
}