:root{--height: 720px;--width: 1280px;--video-menu-height: 155px;--editor-menu-height: 35px;--tuner-width: 370px;--sidebar-width: 480px;--header-height: 30px;--deepblue: #1976d2}html{height:100%;-webkit-user-select:none;user-select:none;font-family:Roboto,sans-serif}body{display:flex;flex-direction:column;margin:0;height:100%;overflow:hidden}#app{height:100%;display:flex;flex-direction:column;flex-grow:1}.canvas-wrapper{height:var(--height);width:var(--width)}.canvas-wrapper__level{height:100%;width:100%;position:relative;z-index:calc(var(--level) * 10);top:calc(var(--level) * (-6px - 100%))}