.video_wrapper{transition:all .7s;height:0;min-width:950px;margin-bottom:20px;overflow-y:hidden}.video_visible{transition:all .7s;margin-bottom:20px!important;height:480px!important}.video_panel{transition:all .7s;background-color:#1b1b1b;text-align:center}.video_toolbar{float:right;color:#fff}.video_control_button{height:40px;width:40px;margin:5px 0 5px 0;display:block;cursor:pointer}.video_close{background:url(/Content/images/Lesson_Icons/video_control_close.png)}.video_popout{background:url(/Content/images/Lesson_Icons/video_control_popout.png)}.video_close:hover{background:url(/Content/images/Lesson_Icons/video_control_close_hover.png)}.video_popout:hover{background:url(/Content/images/Lesson_Icons/video_control_popout_hover.png)}