.loading-dialog{align-items:center;background:rgba(0,0,0,.8);color:hsla(0,0%,100%,.5);display:flex;height:100vh;justify-content:center;left:0;position:fixed;top:0;width:100%}.loading-dialog h4{color:#fff;margin-left:30px}.navbar-toggle{display:none}@media(max-width:768px){.course-nav{border:1px solid rgba(0,0,0,.2);font-size:18px;margin-bottom:30px;padding-bottom:0;position:relative}.side-nav{display:none;list-style-type:none;margin-bottom:0;margin-top:0}.course-nav h4,.nav-item a{text-decoration:none}.side-nav li{text-align:center}.course-nav h4{display:inline-block;font-size:22px;margin-left:20px;margin-top:10px}.navbar-toggle{color:rgba(0,0,0,.8);cursor:pointer;display:block;font-size:24px;position:absolute;right:20px;top:10px}.active{display:block}}