border: none;
padding: 0.6em 1.2em;
background: #c0392b;
color: #fff;
font-family: ‘Lato‘;
font-size: 15px;
letter-spacing: 1px;
text-transform: uppercase;
cursor: pointer;
display: inline-block;
margin: 3px 2px;
border-radius: 2px;
原文：http://www.cnblogs.com/zhang36/p/4673034.html