#go-top {
display: none;
position: fixed;
bottom: 20px;
right: 20px;
z-index: 9999;
}
#go-top .sstt-icon {
font-size: 20px;
border-radius: 5px;
width: 20px;
height: 20px;
padding: 12px;
line-height: 45px;
text-align: center;
cursor: pointer;
background-color: #000000;
color: #ffffff;
transition: .4s ease-in-out;
}
#go-top .sstt-icon:hover {
transform: translateY(-6px);
}