高手教程在线编辑器

AI 编程工具
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>高手教程(study.p2hp.com)</title>
</head>
<style>
.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted black;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: black;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    
    /* 定位 */
    position: absolute;
    z-index: 1;
    top: 100%;
    left: 50%;
    margin-left: -60px;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
}
</style>
<body style="text-align:center;">


<h2>底部提示工具</h2>
<p>鼠标移动到以下元素:</p>

<div class="tooltip">鼠标移动到我这
  <span class="tooltiptext">提示文本</span>
</div>

</body>
</html>
xxxxxxxxxx
 
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>高手教程(study.p2hp.com)</title>
</head>
<style>
.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted black;
}
​
.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: black;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    
    /* 定位 */
    position: absolute;
    z-index: 1;
    top: 100%;
    left: 50%;
    margin-left: -60px;
}
​
.tooltip:hover .tooltiptext {
    visibility: visible;
}
</style>
<body style="text-align:center;">
​
​
<h2>底部提示工具</h2>
<p>鼠标移动到以下元素:</p>
​
<div class="tooltip">鼠标移动到我这
  <span class="tooltiptext">提示文本</span>
</div>
​
</body>
</html>