css3美化radio样式

.magic-radio{
    position: absolute;
    display: none;
}

.magic-radio + label {
    position: relative;
    display: block;
    padding-left: 30px;
    cursor: pointer;
    vertical-align: middle;
    padding-left: 1.5rem !important;
    min-width: auto !important;
}
.magic-radio:checked + label:before {
    background: #3e97eb;
    border-color: #3e97eb;
}
.magic-radio + label:before {
    border-radius: 50%;
}
.magic-radio + label:before {
    position: absolute;
    top: 0;
    left: 0;
    display: inline-block;
    width: 25px;
    height: 25px;
    content: ‘‘;
    border: 1px solid #c0c0c0;

}

.magic-radio:checked + label:after{
    display: block;
}
.magic-radio + label:after {
    top: 5px;
    left: 10px;
    box-sizing: border-box;
    width: 8px;
    height: 15px;
    transform: rotate(45deg);
    border-width: 2px;
    border-style: solid;
    border-color: #fff;
    border-top: 0;
    border-left: 0;

}
.magic-radio + label:after{
    position: absolute;
    display: none;
    content: ‘‘;
}

<div class="opt" >
	<input class="magic-radio" type="radio" name="radio" id="r1" value="option1">
	<label for="r1">男</label>
</div>