body {
    background-color: #0d0d0d;
    color: #fff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
}
.container {
    text-align: center;
}
h1 {
    color: #ff2e2e;
}