body {
  height: 1000px;
  margin: 0;
  padding: 0;
  background-position: center top;
  background-repeat: no-repeat;
}
.button {
  display: block;
  position: absolute;
  top: 0%;
  left: 50%;
}
.button:hover {
  /* background-color: rgba(255, 0, 0, 0.1); */
}