body{background-color:#000}.header{color:#fff;text-align:center}img.day1zoom{border-radius:15px;width:900px}.arrows{display:flex;flex-direction:row;justify-content:space-evenly;align-items:center}.idxpic{border-radius:12px;margin:7px}.img-div{display:flex;flex-direction:row;justify-content:center;align-items:center}.column{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;align-items:center}@media screen and (max-width: 420px){img.day1zoom{width:100%}img{width:120px}}@media screen and (max-width: 360px){img{width:100px}}