body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #101820;
    color: white;
    text-align: center;
}

header {
    padding: 50px;
}

.logo {
    width: 500px;
    max-width: 90%;
}

h1 {
    font-size: 45px;
}

.button {
    display: inline-block;
    margin-top: 20px;
    padding: 15px 30px;
    background: #45b649;
    color: white;
    text-decoration: none;
    border-radius: 10px;
}