<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
a {
border-bottom:1px solid #bbb;
color:#666;
display:inline-block;
position:relative;
text-decoration:none;
}
a:hover,
a:focus {
color:#36c;
}
a:active {
top:1px;
}
/* Tooltip styling */
a[data-tooltip]:after {
border-top: 8px solid #222;
border-top: 8px solid hsla(0,0%,0%,.85);
border-left: 8px solid transparent;
border-right: 8px solid transparent;
content: "";
display: none;
height: 0;
width: 0;
left: 25%;
position: absolute;
}
a[data-tooltip]:before {
background: #222;
background: hsla(0,0%,0%,.85);
color: #f6f6f6;
content: attr(data-tooltip);
display: none;
font-family: sans-serif;
font-size: 14px;
height: 32px;
left: 0;
line-height: 32px;
padding: 0 15px;
position: absolute;
text-shadow: 0 1px 1px hsla(0,0%,0%,1);
white-space: nowrap;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
-o-border-radius: 5px;
border-radius: 5px;
}
a[data-tooltip]:hover:after {
display: block;
top: 20px;
}
a[data-tooltip]:hover:before {
display: block;
top: 41px;
}
a[data-tooltip]:active:after {
top: 20px;
}
a[data-tooltip]:active:before {
top: 42px;
}
</style>
</head>
<body>
<a href="#" data-tooltip="这是文字提示">非会员让他辅助</a>
</body>
</html>