body {
  background-color: #a3a919;
  color: #0f0539;
  font-family: 'gaegu';
  background-image: url("https://files.catbox.moe/lwd1b1.jpg");
}
#mydiv {
  position: absolute;
  z-index: 9;
  background-color: transparent;
  border: 0px ;
  text-align: center;
}

#mydivheader {
  padding: 10px;
  cursor: pointer;
  z-index: 100;
  background-color: transparent;
  color: black;
}