#helpbutton {
  width: 25px;
  height: 25px;
  position: absolute;
  top: 20px;
  left: 700px;
  background: rgba(0,0,0,0);
  border: none;
  padding: 0;
  border-radius: 15px;
}

#helpbutton > img {
  height: auto;
  max-width: 100%;
}