body{background-color:#181f25;color:#fff;margin:0}header{background-color:#201e50;padding:10px;font-size:xx-large}span{font-size:larger}#monday,#notmonday{display:none;max-height:1024px}.d-flex{display:flex}.flex-column{flex-direction:column}.justify-content-center{justify-content:center}