body {
  background-color: white;
  color: black;
  font-family: Verdana;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.main-div
{
  position: relative;
  width:200px;
  height:100px
}
.main
{
  width:auto;
  height: 850px;
  position: absolute;
  left: -140px;
}
.forest
{
  width:auto;
  height: 510px;
  position: absolute;
  top: 0px;
  left: -140px;
  
}
.forest:hover
{
  filter: grayscale();
}
.lake
{
  width:auto;
  height: 596px;
  position: absolute;
  top: 254px;
  left: -140px;
  
}
.lake:hover
{
  filter: grayscale();
}
.ironbarrel
{
  width:auto;
  height: 515px;
  position: absolute;
  top: 334px;
  left: 88px;
  
}
.ironbarrel:hover
{
  filter: grayscale();
}