.fab-frame {
  display: inline-block;
  position: fixed;
  right: 10px;
  bottom: 10px;
  width: 40px;
  height: 40px;
}
.fab-frame:hover a:nth-child(2) {
  bottom: 50px;
}
.fab-frame:hover {
  height: 190px;
}
.fab-frame:hover a:nth-child(3) {
  bottom: 100px;
}
.fab-frame:hover {
  height: 190px;
}
.fab-frame:hover a:nth-child(4) {
  bottom: 150px;
}
.fab-frame:hover {
  height: 190px;
}
.fab-frame a {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  transition: bottom 1s;
}
.fab-frame a:nth-child(1) {
  z-index: -1;
}
.fab-frame a:nth-child(2) {
  z-index: -2;
}
.fab-frame a:nth-child(3) {
  z-index: -3;
}
.fab-frame a:nth-child(4) {
  z-index: -4;
}