body {
  background-image: url('https://muralsyourway.vtexassets.com/arquivos/ids/236314-825-auto?width=825&height=auto&aspect=true');
  overflow: hidden;
}
#target, #ship {
  position: absolute;
}
#target {
  height: 50px;
  width: 50px;
  margin-left: -25px;
  margin-top: -25px;
  border: solid 1px orange;
  z-index: 5;
}
#target::before {
  content: " ";
  position: absolute;
  left: 50%;
  top: 50%;
  height: 20px;
  margin-top: -10px;
  border-left: solid 1px orange;
}
#target::after {
  content: " ";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  margin-left: -10px;
  border-top: solid 1px orange;
}
#ship {
  width: 100px;
  height: 100px;
  position: absolute;
  margin-left: -50px;
  margin-top: -50px;
  z-index: 2;
}
#ship::after {
  content: " ";
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: absolute;
  background: url('../img/ship-3.png') no-repeat;
  background-size: contain;
  background-position: center;
}