.App{align-items:stretch;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh;width:100vw}.App__header{left:0;position:fixed;right:0;top:0;z-index:20}.App__main{display:flex;flex:1 1 0%;flex-direction:column;min-height:0;width:100%}