body,html{margin:0;width:100%;height:100%;overflow:hidden}main{flex-direction:column;height:100%;background:#101827}header,main{display:flex}header{align-items:center;height:64px;padding:0 16px;flex:none}header img,iframe{display:block}iframe{width:100%;flex:1 1;min-height:0;border:0;background:#fff}