.loading-dialog{position:fixed;color:rgba(255,255,255,.5);top:0;left:0;background:rgba(0,0,0,.8);display:flex;width:100%;height:100vh;justify-content:center;align-items:center}.loading-dialog h4{margin-left:30px;color:#fff}.navbar-toggle{display:none}.lesson-item .item-contents{min-height:60px;display:flex;align-items:center;justify-content:center;text-align:center}.lesson-item{transition:.2s}.lesson-item:hover{transform:translateY(-3px);box-shadow:0px 3px 6px rgba(0,0,0,.2)}@media(max-width:768px){.course-nav{font-size:18px;border:1px solid rgba(0,0,0,0.2);padding-bottom:0px;position:relative;margin-bottom:30px}.side-nav{list-style-type:none;display:none;margin-top:0px;margin-bottom:0px}.nav-item a,.course-nav h4{text-decoration:none}.course-nav h4{display:inline-block;font-size:22px}.navbar-toggle{position:absolute;top:1.2rem;right:20px;cursor:pointer;color:rgba(0,0,0,0.8);font-size:24px;display:block}.active{display:block}#js-navbar-toggle{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-position:top left;background-size:cover;height:25px;width:25px}}