body {
  background-color: powderblue;
  text-align: center;
}
h3{
  font-size:50px;
}
#menu{
  list-style-type: none;
}
#porch{
  position: relative;
  display:flex;
  justify-content: center;
  align-items:stretch;
  }
#entry{
  padding:20px;
  position: absolute;
  width: 20%;
  }
#entry:hover{
  padding:0px;
   content: url('opendoor.png');
   }