#royking_dreper
{
  width: 29vw;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  min-width: 300px;
}

@media only screen and (max-width: 767px) {
  #royking_dreper
  {
    bottom: 80px;
  }
}