.sticker-dn {
background: none;
margin: 0;
position: fixed;
bottom: 100px;
right: 0;
width: 70px;
height: 70px;
z-index: 100;
display: inline;
color: #000;
background-color: #ff9000;
opacity: 0.3;
}

.sticker-up {
background: none;
margin: 0;
position: fixed;
bottom: 200px;
right: 0;
width: 70px;
height: 70px;
z-index: 100;
display: inline;
color: #000;
background-color: #ff9000;
opacity: 0.3;
}


.sticker-up i {
  font-size: 60px;
}

.sticker-dn i {
  font-size: 60px;
}