body {
  background-image: url('aquarium bg.jpg');
  background-size: cover;
  background-repeat: no-repeat;
}

.angeryfish {
  margin-left: 100px;
}
.flounder {
  margin-top: 300px;
  margin-left: 700px;
}
.bass {
  margin-top: 60px;
  margin-left: 350px;
}
.catfish {
  margin-top: -500px;
  margin-left: 900px;
}
.frontfacing {
  margin-left: 309px;
}
.goldfish {
  position: fixed;
  right: 0;
  bottom: 0;
  width: 20%;
}
.goldfishtwo {
  position: fixed;
  right: 0;
  top: 0;
  width: 20%;
}
.school {
  margin-left: 600px;
  margin-top: -300px;
}
.return {
  position: fixed;
  left: 100;
  bottom: 0;
  text-align: left;
  background: white;
  border: solid white 1px;
}
.return p {
  font-size: 20pt;
  padding: 20px;
}