#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;

}
/* 隐藏反对按钮 */

.buryit {

display:none;

}
<a href="https://github.com/siwuxie095" target="blank"><img style="position: fixed; top: 0; left: 0; border: 0; z-index: 999999999" src="https://files.cnblogs.com/files/siwuxie095/forkme_left_red.bmp" alt="Fork me on GitHub"></a>




@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300&display=swap');