* {box-sizing: border-box;}
body {text-align: center; margin:0,}

#marden1, #marden2, #marden3{
  display: inline-block;
  width: 102px;
  height: 350px;
  background-color: rgb(106,36,41);
  
}

#marden2{
  background-color: rgb(228, 200, 56);
  
}

#marden3{
  background-color: rgb(51,78,114);
}