.chapter_listing{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:flex-start}.chapter_item{border:1px solid #c8c8c8;box-sizing:border-box;flex-basis:18%;margin:10px 1%;padding:15px}@media screen and (max-width:900px){.chapter_item{border:1px solid #c8c8c8;box-sizing:border-box;flex-basis:30%;margin:10px 1.65%;padding:15px}}@media screen and (max-width:700px){.chapter_item{border:1px solid #c8c8c8;box-sizing:border-box;flex-basis:45%;margin:10px 2%;padding:15px}}@media screen and (max-width:600px){.chapter_item{border:1px solid #c8c8c8;box-sizing:border-box;flex-basis:100%;margin:10px 0;padding:15px}}