:root{color:#fff;background:#050816;font-family:Arial,Helvetica,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}.app{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.app h1{margin-bottom:1.5rem;font-size:3rem}.app p{margin:.25rem 0;font-size:1.2rem}