<!doctype html><html><head><meta charset="utf-8"><title>无标题文档</title><style>#d1{width:100px;height:50px;background-color:#E77C05;border:1px solid red;font-size:12px;display:none;}</style></head><body><label onMouseMove="document.getElementById('d1').style.display='block'"onMouseOut="alert('a')"><input type="checkbox">记住密码</label><div id="d1">网吧不允许18岁以下的同学....</div></body></html>
