.fastbtns {
    box-sizing: border-box;
    height: auto;
    position: fixed;
    top: 30%;
    right: 1%;
    z-index: 999;
}
.fastbtns a {
    display: block;
    background: url(../images/left-icon613.png) no-repeat;
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    text-decoration: none;
}
.fastbtns a.home {
    background-position: 0px -48px;
}
.fastbtns a.go {
    background-position: 0px -96px;
}
.fastbtns a.top {
    background-position: 0 -144px;
    display: none;
}