效果演示
Code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>玻璃按钮</title>
<link href="https://cdn.bootcdn.net/ajax/libs/font-awesome/4.7.0/css/font-awesome.css" rel="stylesheet">
<link rel="stylesheet" href="./03-玻璃按钮.css">
</head>
<body>
<div class="container">
<div class="color"></div>
<div class="color"></div>
<div class="color"></div>
