#sheet{flex:1 1 auto;min-height:0;position:relative;display:flex;flex-direction:column;background:var(--wash)}#univer{flex:1 1 auto;min-height:0}#sheet:not(.loaded) #univer{display:none}#sheet.loaded #empty{display:none}#empty{flex:1 1 auto;min-height:0;overflow:auto}