:root{--primary-color: white;--secondary-color: #000000;--danger-color: #ff0c0c;--skin-color: #fbf1f1}*{margin:0;box-sizing:border-box}body{background-color:var(--primary-color);font-family:Poppins,sans-serif;max-width:1440px;margin:0 auto}.app-container{min-height:100vh;display:flex;justify-content:center;align-items:center}