.fixedright {
  position: fixed;
  bottom: 0;
  right: 0;
  width: 50px;
  height: 50px;
  border: none;
  z-index: 1000;
}

.fixedleft {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 50px;
  border: none;
  z-index: 1000;
 }