.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}@media(max-width:768px){.course-nav{font-size:18px;background-color:;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}.side-nav li{text-align:center}.course-nav h4{display:inline-block;font-size:22px;margin-top:10px;margin-left:20px}.navbar-toggle{position:absolute;top:10px;right:20px;cursor:pointer;color:rgba(0,0,0,0.8);font-size:24px;display:block}.active{display:block}}@media(max-width:767px){.quiz-container{height:70vh;min-height:400px}}