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: absolute; z-index: 1; top: -5px; left: 110%; } .tooltip .tooltiptext::after { content: ""; position: absolute; top: 50%; right: 100%; margin-top: -5px; border-width: 5px; border-style: solid; border-color: transparent black transparent transparent; } .tooltip:hover .tooltiptext { visibility: visible; } </style> </head> <body style="text-align:center;"> <h2>右边提示左边箭头</h2> <div class="tooltip">鼠标经过我 <span class="tooltiptext">提示文本</span> </div> </body> </html>
运行结果