.toTop {
  position: fixed;
  right: 0px;
  bottom: 0px;
  width: 50px;
  height: 50px;
  cursor: pointer;
  color: #fff;
  z-index: 800;
  background: #96c6cf;
  opacity: 0;
  -webkit-transition: opacity 0.25s linear, background 0.25s linear;
  -moz-transition: opacity 0.25s linear, background 0.25s linear;
  -ms-transition: opacity 0.25s linear, background 0.25s linear;
  -o-transition: opacity 0.25s linear, background 0.25s linear;
  transition: opacity 0.25s linear, background 0.25s linear; }
  .toTop:before {
    content: "\2303";
    position: absolute;
    left: 50%;
    top: 50%;
    -moz-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    font-size: 25px;
    width: 25px;
    height: 25px;
    line-height: 25px;
    font-family: 'default';
    font-weight: normal;
    text-indent: 0;
    font-style: normal; }
  .toTop:hover {
    background: #b9d9df; }
  .toTop.act {
    opacity: 1; }