html{height:100%}body{position:fixed;width:100%;margin:0;font-family:Helvetica;background-color:"#000";color:#fff;overflow:hidden;height:100%}#app{height:100%}.title-editing{background-color:gray}.noselect{-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.noScrollbar::-webkit-scrollbar{display:none}.noScrollbar{-ms-overflow-style:none;scrollbar-width:none}.corner-button{position:absolute;color:#fff;width:1em;height:1em;text-align:center}.corner-button:hover{background-color:#000}.icon{opacity:30%;cursor:pointer}.icon:hover{opacity:100%}