jellyfin-web/dashboard-ui/bower_components/emby-webcomponents/emby-radio/emby-radio.css

.mdl-radio {
    position: relative;
    line-height: 24px;
    display: inline-block;
    box-sizing: border-box;
    margin: 0;
    padding-left: 0;
}

    .mdl-radio.block {
        display: flex;
        align-items: center;
        margin-top: .5em;
        margin-bottom: .5em;
    }

.mdl-radio {
    padding-left: 24px;
}

.mdl-radio__button {
    line-height: 24px;
}

.mdl-radio .mdl-radio__button {
    position: absolute;
    width: 0;
    height: 0;
    margin: 0;
    padding: 0;
    opacity: 0;
    -ms-appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    border: none;
}

.mdl-radio__outer-circle {
    position: absolute;
    top: 4px;
    left: 0;
    display: inline-block;
    box-sizing: border-box;
    width: 16px;
    height: 16px;
    margin: 0;
    cursor: pointer;
    border: 2px solid rgba(0,0,0, 0.54);
    border-radius: 50%;
    z-index: 2;
}

.mdl-radio__button:checked + .mdl-radio__label + .mdl-radio__outer-circle {
    border: 2px solid rgb(63,81,181);
}

.mdl-radio__outer-circle fieldset[disabled] .mdl-radio,
.mdl-radio.is-disabled .mdl-radio__outer-circle {
    border: 2px solid rgba(0,0,0, 0.26);
    cursor: auto;
}

.mdl-radio__inner-circle {
    position: absolute;
    z-index: 1;
    margin: 0;
    top: 8px;
    left: 4px;
    box-sizing: border-box;
    width: 8px;
    height: 8px;
    cursor: pointer;
    transition-duration: 0.28s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-property: -webkit-transform;
    transition-property: transform;
    transition-property: transform, -webkit-transform;
    -webkit-transform: scale3d(0, 0, 0);
    transform: scale3d(0, 0, 0);
    border-radius: 50%;
    background: rgb(63,81,181);
}

.mdl-radio__button:checked + .mdl-radio__label + .mdl-radio__outer-circle + .mdl-radio__inner-circle {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
}

fieldset[disabled] .mdl-radio .mdl-radio__inner-circle,
.mdl-radio.is-disabled .mdl-radio__inner-circle {
    background: rgba(0,0,0, 0.26);
    cursor: auto;
}

.mdl-radio__button:focus + .mdl-radio__label + .mdl-radio__outer-circle + .mdl-radio__inner-circle {
    box-shadow: 0 0 0px 10px rgba(0, 0, 0, 0.1);
}

.mdl-radio__label {
    cursor: pointer;
}

fieldset[disabled] .mdl-radio .mdl-radio__label,
.mdl-radio.is-disabled .mdl-radio__label {
    color: rgba(0,0,0, 0.26);
    cursor: auto;
}

.mdl-radio__ripple-container {
    position: absolute;
    z-index: 2;
    top: -9px;
    left: -13px;
    box-sizing: border-box;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    overflow: hidden;
    -webkit-mask-image: -webkit-radial-gradient(circle, white, black);
}

    .mdl-radio__ripple-container .mdl-ripple {
        background: rgb(63,81,181);
    }

fieldset[disabled] .mdl-radio .mdl-radio__ripple-container,
.mdl-radio.is-disabled .mdl-radio__ripple-container {
    cursor: auto;
}

    fieldset[disabled] .mdl-radio .mdl-radio__ripple-container .mdl-ripple,
    .mdl-radio.is-disabled .mdl-radio__ripple-container .mdl-ripple {
        background: transparent;
    }