#clockdiv {

text-align: left;

}
* 回到首页 */

#btn_home {

width: 40px;

height: 40px;

display: block;

position: fixed;

left: 67%;

bottom: 200px;

background: url("https://files.cnblogs.com/files/siwuxie095/home.bmp" )no-repeat left top;

}

  

/* 刷新页面 */

#btn_refresh {

width: 40px;

height: 40px;

display: block;

position: fixed;

left: 67%;

bottom: 160px;

background: url("https://files.cnblogs.com/files/siwuxie095/refresh.bmp" )no-repeat left top;

}

  

/* 关注博主 */

#btn_follow {

width: 40px;

height: 40px;

display: block;

position: fixed;

left: 67%;

bottom: 120px;

background: url("https://files.cnblogs.com/files/siwuxie095/follow.bmp" )no-repeat left top;

}

  

/* 邮件联系 */

#btn_at {

width: 40px;

height: 40px;

display: block;

position: fixed;

left: 67%;

bottom: 80px;

background: url("https://files.cnblogs.com/files/siwuxie095/at.bmp" )no-repeat left top;

}

  

/* 回到顶部 */

#btn_top {

width: 40px;

height: 40px;

display: none;

position: fixed;

left: 67%;

bottom: 40px;

background: url("https://files.cnblogs.com/files/siwuxie095/top.bmp" )no-repeat left top;

}
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版权声明：本文为CSDN博主「siwuxie095」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/siwuxie095/article/details/80151468