; -webkit-border-radius:.1rem; -o-border-radius:.1rem; -moz-border-radius:.1rem; -ms-border-radius:.1rem; background: -webkit-linear-gradient(left, #1e9ef6 , #39c0ff); /* Safari 5.1 - 6.0 */ background: -o-linear-gradient(right, #1e9ef6, #39c0ff); /* Opera 11.1 - 12.0 */ background: -moz-linear-gradient(right, #1e9ef6, #39c0ff); /* Firefox 3.6 - 15 */ background: linear-gradient(to right, #1e9ef6 , #39c0ff); /* 标准的语法（必须放在最后） */ color:#ffffff; font-size:.32rem; text-align:center; } .layer_border{ position:relative; overflow:hidden;} .layer_border:before{ content:""; position:absolute; bottom:0; left:0; height:1px; width:150%; background:#ebebed; }