css单选radio按钮样式

源码：

<div class="container">
	<h2>Your favorite thing in the world:</h2>
	<ul>
		<li>
			<input type="radio" id="f-option" name="selector">
			<label for="f-option">Pizza</label>
			<div class="check"></div>
		</li>
		<li>
			<input type="radio" id="s-option" name="selector">
			<label for="s-option">Bacon</label>
			<div class="check">
				<div class="inside"></div>
			</div>
		</li>
		<li>
			<input type="radio" id="t-option" name="selector">
			<label for="t-option">Cats</label>
			<div class="check">
				<div class="inside"></div>
			</div>
		</li>
	</ul>
</div>

<style>
body, html{
  height: 100%;
  background: #222222;
	font-family: 'Lato', sans-serif;
}

.container{
  display: block;
  position: relative;
  margin: 40px auto;
  height: auto;
  width: 500px;
  padding: 20px;
}

h2 {
  color: #AAAAAA;
}

.container ul{
  list-style: none;
  margin: 0;
  padding: 0;
	overflow: auto;
}

ul li{
  color: #AAAAAA;
  display: block;
  position: relative;
  float: left;
  width: 100%;
  height: 100px;
	border-bottom: 1px solid #333;
}

ul li input[type=radio]{
  position: absolute;
  visibility: hidden;
}

ul li label{
  display: block;
  position: relative;
  font-weight: 300;
  font-size: 1.35em;
  padding: 25px 25px 25px 80px;
  margin: 10px auto;
  height: 30px;
  z-index: 9;
  cursor: pointer;
  -webkit-transition: all 0.25s linear;
}

ul li:hover label{
	color: #FFFFFF;
}

ul li .check{
  display: block;
  position: absolute;
  border: 5px solid #AAAAAA;
  border-radius: 100%;
  height: 25px;
  width: 25px;
  top: 30px;
  left: 20px;
  z-index: 5;
  transition: border .25s linear;
  -webkit-transition: border .25s linear;
}

ul li:hover .check {
  border: 5px solid #FFFFFF;
}

ul li .check::before {
  display: block;
  position: absolute;
  content: '';
  border-radius: 100%;
  height: 15px;
  width: 15px;
  top: 5px;
  left: 5px;
  margin: auto;
  transition: background 0.25s linear;
  -webkit-transition: background 0.25s linear;
}

input[type=radio]:checked ~ .check {
  border: 5px solid #0DFF92;
}

input[type=radio]:checked ~ .check::before{
  background: #0DFF92;
}

input[type=radio]:checked ~ label{
  color: #0DFF92;
}
</style>

链接: https://fly63.com/course/33_1575