CSS文本提示框
一、样式二、源代码来源：菜鸟教程css /css/css-tooltip.html
一、样式
二、源代码
<!DOCTYPE html><html><head><meta charset="utf-8"><title>css提示框</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;position: absolute;z-index: 1;bottom: 150%;left: 50%;margin-left: -60px;}.tooltip .tooltiptext::after {content: "";position: absolute;top: 100%;left: 50%;margin-left: -5px;border-width: 5px;border-style: solid;border-color: black transparent transparent transparent;}.tooltip:hover .tooltiptext {visibility: visible;}</style><body style="text-align:center;"><h2>顶部提示框/底部箭头</h2><div class="tooltip">鼠标移动到我这<span class="tooltiptext">提示文本</span></div></body></html>
