CSS Material Design Radio Buttons

input[type=radio] {
    border: 0.13em solid rgba(0, 0, 0, 0.3);
    border-radius: 0.8em;
    appearance: none;
    width: 1em;
    height: 1em;
    margin-left: 0.5em;
}

input[type=radio]:focus {
    outline: none;
}

input[type=radio]:checked {
    box-shadow: 0px 0px 0px 0.1em white inset;
    border: 0.13em solid rgba(52, 106, 220, 0.87);
    background: rgba(52, 106, 220, 0.87);
}