.td-scroll-up {
background-color: rgba(0,0,0,.5);
border: 2px solid rgba(255,255,255,.5);
border-radius: 3px;
bottom: 10px;
right: 10px;
width: 44px;
height: 44px;
transform: translate3d(0,70px,0);
-webkit-transform: translate3d(0,70px,0);
-moz-transform: translate3d(0,70px,0);
-ms-transform: translate3d(0,70px,0);
-o-transform: translate3d(0,70px,0);
-webkit-transition: all .4s cubic-bezier(.55,0,.1,1) 0s;
-moz-transition: all .4s cubic-bezier(.55,0,.1,1) 0s;
-o-transition: all .4s cubic-bezier(.55,0,.1,1) 0s;
transition: all .4s cubic-bezier(.55,0,.1,1) 0s;
}
.td-scroll-up-visible {
transform: translate3d(0,0,0);
-webkit-transform: translate3d(0,0,0);
-moz-transform: translate3d(0,0,0);
-ms-transform: translate3d(0,0,0);
-o-transform: translate3d(0,0,0);
}
.td-scroll-up:hover {
    background-color: #000;
    border-color: #fff;
}