#container_article{width:900px;min-width:50vw;margin:auto;padding-left:20px;padding-right:20px;padding-bottom:30px}#main{background-color:#e9eff5}.titles{color:#2b2b2b;font-family:lato;font-weight:700;text-align:left}.main_title{font-size:45px;margin-top:30px;margin-bottom:30px;line-height:57px}.sub_title{font-size:40px}.sub_title_2{font-size:22px;margin-left:0;margin-bottom:20px;margin-top:50px}.first_sub_title{margin-top:15px}#other_courses_header{font-family:Lato;font-size:25px;font-weight:700;margin-top:30px;margin-bottom:15px}#split_line_external_courses{border-top:1px solid #000;margin-top:35px}.article_paragraphs{margin-bottom:25px;font-size:20px;text-align:left;line-height:30px}.book_metadata{font-size:18px;margin-bottom:20px}#container_book_overview{display:inline-flex;margin-bottom:40px}#container_book_cover{position:relative;display:inline-block;text-align:center}#container_book_summary{margin:auto;margin-left:30px}#book_cover{width:300px}#container_buy_link,#container_buy_link:hover,#container_buy_link:focus,#container_buy_link:visited{text-decoration:none;color:inherit}#buy_link{display:block;margin-top:0;margin-bottom:20px;text-align:center;background-color:#ecc634;font-size:20px;font-weight:700;padding:12px 20px;border:none;border-radius:50px;width:fit-content}#buy_link:hover{background-color:#f3da7a}.container_list{margin-left:25px;margin-bottom:25px;font-size:20px;padding:0}.container_list li{margin-bottom:10px;padding-left:5px}.container_list li::marker{font-size:1em;font-weight:700}.modal{display:none;position:fixed;z-index:999;top:0;left:0;width:100vw;height:100vh;background:rgba(0,0,0,.85);justify-content:center;align-items:center;overflow:hidden;padding:20px;box-sizing:border-box}.modal-img-wrapper{position:relative;display:inline-block}.modal-img-wrapper img{max-width:80vw;max-height:90vh;border-radius:8px;box-shadow:0 0 40px rgba(0,0,0,.5);animation:flipIn .5s ease;display:block}#eye_icon{width:13px;margin-right:2px;margin-bottom:1px}.view-inside-btn{position:absolute;bottom:5px;left:5px;padding:5px 10px;background-color:rgba(0,0,0,.7);color:#fff;font-size:12px;border:none;border-radius:6px;cursor:pointer;z-index:10;opacity:.8;transition:opacity .3s ease,background-color .3s ease}.view-inside-btn:hover{opacity:1;background-color:rgba(0,0,0,.9)}.modal-close{position:absolute;top:8px;right:8px;font-size:30px;font-weight:700;color:#fff;background-color:rgba(0,0,0,.4);border-radius:50%;padding:10px 16px;line-height:1;cursor:pointer;z-index:10;opacity:.8;transition:opacity .2s ease,background-color .2s ease}.modal-close:hover{opacity:1;background-color:rgba(0,0,0,.7)}.nav{position:absolute;top:50%;transform:translateY(-50%);font-size:20px;color:#fff;background-color:rgba(0,0,0,.4);border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;user-select:none;z-index:10;opacity:.7;transition:opacity .2s ease,background-color .2s ease}.nav:hover{opacity:1;background-color:rgba(0,0,0,.6)}.nav-left{left:-40px}.nav-right{right:-40px}@keyframes flipIn{from{transform:rotateY(-90deg);opacity:0}to{transform:rotateY(0);opacity:1}}#container_book_back_cover{font-style:italic}@media only screen and (max-width:850px){#container_article{width:100%;min-width:0}.main_title{font-size:35px;line-height:38px}.sub_title{font-size:30px}}@media only screen and (max-device-width:600px){.main_title{font-size:35px;line-height:38px}#container_article{width:100%;min-width:0}#container_book_overview{display:block}.article_paragraphs{font-size:19px}#container_book_summary{line-height:28.5px;margin-bottom:23.75px;margin-left:0;margin-top:30px}#book_cover{width:100%}}