源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>编程字典</title> <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; /* Position the tooltip */ position: absolute; z-index: 1; bottom: 100%; left: 50%; margin-left: -60px; } .tooltip:hover .tooltiptext { visibility: visible; } </style> </head> <body style="text-align:center;"> <h2>顶部提示</h2> <p>移动鼠标在下面的文本:</p> <div class="tooltip">鼠标经过我 <span class="tooltiptext">提示文本</span> </div> </body> </html>
运行结果