html,body{height:100%;margin:0;-webkit-text-size-adjust:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}*{box-sizing:border-box}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;display:flex;flex-direction:column}img{max-width:100%;height:auto}button,a{min-height:44px;display:inline-flex;align-items:center;justify-content:center}