body {
  background-image: url("hellostars.png");
  color: white;
  
  font-family: "Doto", sans-serif;
  font-weight: 800;
  font-style: normal;
  text-align: center;
  font-size: 22px;
  
  display: flex;
  flex-direction: column; /* 👈 important */
  justify-content: center;
  align-items: center;
  cursor: url('Cursor.png'), auto;
  
}

.btn {
  position: absolute;   /* removes it from normal flow */
  top: 80%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 10px 50px;
  font-family: "Doto", sans-serif;
  font-weight: 800;
  border: 3px double #9564b1;
  background-color: #a6a6a6;
  cursor: url('StarPointer.gif'), auto;
  
}

.btn:hover {
  background-color: #767676;
}