body {
       background-image: url('https://defoko-mp3.neocities.org/fullimgs/pinkwllppr.png');
     background-repeat: no-repeat;
     background-size: cover;
}
#mainbox {
  width: 1300px;
  height: 700px;
  border-width: 1px;
  border-style: solid;
  border-color: black;
  background-color: white;
  z-index: 3;
  overflow-y: scroll;
  overflow-x: hidden;
  position: absolute;
  top: 30px;
  left: 30px;
}
#aboutbox {
  width: 400px;
  height: 200px;
  border-width: 1px;
  border-style: solid;
  border-color: black;
  background-color: white;
  z-index: 3;
  overflow-y: hidden;
  overflow-x: hidden;
  position:absolute;
  top: 10px;
  left: 450px;
}