div.HorizontalButtons {
}

div.VerticalButtons {
}

.wrapper {overflow: auto;}

#RightButton {
  float: left;
  width: 100%;
}

#LeftButton {
  float: left;
  width: 100%;
}

@media screen and (max-width: 650px) {
  div.HorizontalButtons {
    display: none;
  }
}

@media screen and (min-width: 651px) {
  #LeftButton {width: 50%; }
  #RightButton {width: 50%; }
  div.VerticalButtons {
    display: none;
  }
}