body{user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}img{pointer-events:none;-webkit-user-drag:none}#video_div{border-top:0!important;transition-duration:.1s}.fixed{position:fixed!important;z-index:5}#menu_below_video{padding:10px;z-index:4!important;border-radius:0 0 10px 10px;white-space:nowrap;overflow:hidden;border-top:0!important}#menu_buttons button{vertical-align:text-top;padding:0 2px}#content_div .col-12{padding-left:0!important;padding-right:0!important}#content_card,#course_card,#free_card{border-radius:10px;overflow:hidden;margin:0 12px}#course_card_append .card{border:0!important;margin-bottom:0!important}#course_card_append .card-header{border-radius:0!important}#course_card_append .open_close{display:none!important}#pyq_li{border-width:0 0 1px!important}#logo{padding:10px}#logo img{margin:10px 0}#main_menu{padding-right:0!important}#main_menu img.logo{height:25px;margin-bottom:10px;filter:invert(1)}#section_list .card-header,#section_list li{padding:12px 10px;white-space:nowrap}#section_list .card-header .badge{line-height:1.3;height:25px}#section_list li .badge{vertical-align:top}#section_list ul{max-height:0;overflow:hidden;transition:max-height .4s ease-in-out}.li_divide{padding:5px 10px!important;font-size:15px!important;font-weight:700}#list_cover{height:100%;overflow-y:auto;position:fixed;padding-bottom:70px;top:10px;left:calc(100vw - (1100/2)) px;max-width:700px;z-index:6;transition:left .2s ease-in-out;padding-right:10px}.list-group-item{white-space:nowrap}.open_nav{left:0!important;box-shadow:4px 0 10px rgba(0,0,0,.2),8px 0 20px rgba(0,0,0,.15)}.top_buttons{position:absolute;z-index:10;right:104px;top:6px}.top_buttons div{position:fixed!important}.lecture{transition-duration:.3s}#logo .no-wrap{margin-top:-7px}@media (max-width:1199px){.top_buttons{top:16px!important}#list_cover{padding:10px 10px 60px!important;top:0!important;left:-500px;width:calc(100vw - 20px)!important;max-width:500px!important}#nav_close{visibility:visible!important}#main_rest{padding:0!important}#mat_button{visibility:visible!important}.mat_button{display:block!important}.menu_title{display:none!important}}#ad_data{padding-left:0;padding-right:0}.promos .section-title{padding-bottom:0}.video_one{position:relative;margin:10px 0;border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;width:200px;max-width:calc(100vw/3);flex:0 0 auto}.scroll-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.5);color:#fff;border:0;padding:10px 15px;font-size:24px;cursor:pointer;z-index:100}.scroll-btn.left{left:0}.scroll-btn.right{right:0}#video-container::-webkit-scrollbar{display:none}#video-container{-ms-overflow-style:none;scrollbar-width:none;overflow-x:auto;white-space:nowrap;display:flex;gap:10px;scroll-behavior:smooth}.play-button{position:absolute;width:40px;height:40px;padding-left:2px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;cursor:pointer;top:50%;left:50%;transform:translate(-50%,-50%)}.play-button:hover{background:rgba(0,0,0,.9)}.doc-content img{max-width:100%!important;margin:0 auto!important}.doc-content *{font-size:18px!important}.divide{position:relative;margin:25px 0 35px}.divide hr{margin:25px 0;border-color:#000;border-width:2px}.bk_title,.divide_div{position:absolute;width:100%}.divide_div{top:-11px;text-align:center}.divide_div div{background:#fff;border:1px solid #000;width:240px;margin:0 auto;font-size:13px!important;border-radius:20px;font-weight:700;white-space:nowrap!important}.bk_title{z-index:20;left:0}.bk_top{top:0;height:30%;background:#000}.overlay{background:red!important;height:100%}#more_links li{border-bottom:1px solid #000}