*,*:before,*:after{box-sizing:border-box}html,body{height:100%;margin:0;font-family:sans-serif;background:#1a1a1a;color:#fff}.dark-container{background-color:#1a1a1a;color:#fff;min-height:100vh;display:flex;align-items:center;justify-content:center;font-family:sans-serif}.dark-title{font-size:3rem;margin:0;text-shadow:0 0 20px rgba(255,255,255,.3)}