#TBLB {position:fixed;top:50%;right:1px;width:50px;transform:translateY(-50%);}

#toTop,
#toBack,
#toList,
#toBottom {width:100%;height:80px;font-size:9pt;text-align:center;color:#FFF;border-radius:2px;cursor:pointer;z-index:999;}

#toTop i,
#toBack i,
#toList i,
#toBottom i {width:100%;}

#toTop,
#toBottom {
    padding-top: 20px;
    background-color: #26A148;
    border: 1px solid rgba(28, 121, 54, .8);
}

#toBack,
#toList {
    padding-top: 20px;
    background-color: #333;
    border: 1px solid rgba(0, 0, 0, 1);
}

#toBack,
#toList, 
#toBottom {margin-top:10px;}

#toBottom  {letter-spacing:-1px;}