html,body{display:flex;flex-flow:column;height:100vh;width:100vw;margin:0;padding:0;box-sizing:border-box;overflow:hidden;background:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.header{display:flex;flex-flow:row;flex:1 0 auto}.header h1{flex:1 0 auto;padding-left:16px;font-size:3rem;font-weight:700;background:linear-gradient(90deg,red,#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center}.header .navigation{flex:1 0 auto}