body{margin:0;
     background-color:#504946;}

main{
      display:block;
      margin-top:10px;
}

img{  
      display:block;
      margin-left: auto;
      margin-right: auto;
      width:auto;
}

a{color:#f2d58a;}

.door{display:none;
      margin-left: auto;
      margin-right: auto;
      }

.header-box{
  margin-top:10px;
  display:flex;
  justify-content:center;
}

@media screen and (max-width:720px)
{
 img{  
      width:100%;
 }
}