<style type="text/css">.top { width: 50px; height: 50px; background-color: #F0F0F0; border: 1px solid #D9D9D9; z-index: 1; right: 10px; bottom: 10px; POSITION: fixed }.top a { width: 50px; height: 49px; display: block; text-align: center; line-height: 49px; font-size: 12px; color: #999999; text-decoration: none }</style><div class="top"><a href="#">回顶部</a></div>本站页脚HTML回顶部代码
原文地址：https://www.cnblogs.com/linuxde/p/8757456.html