*{margin:0;padding:0;font-family:"微软雅黑";text-decoration:none;}
body{background:#e7e7e7;}
#wrapper{width:400px;margin: 20px auto;padding:40px;background:#fff;box-shadow:0 0 50px 0 rgba(0,0,0,.25);}
#controls{float:right;padding:2px;width:30px;background:#333;position:fixed;margin:0 0 0 440px;text-align:center;transition:.25s ease-out;}
#controls a{font-size:24px;color:#aaa;display:block;font-weight:bold;padding: 5px;}
#controls a:hover{color:#fff;background:#000;transition:.25s ease-out;}
a.selected{background:#000;color:#fff !important;}
#small{font-size:14px !important;}
#medium{font-size:16px !important;}
#large{font-size:18px !important;}
h1{font-size:36px; line-height: 60px;}
p{font-size:16px;line-height:25px;}