body {
    background-color: #1c1c1c;
    color: #fff;
    font-family: 'Arial', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    margin: 0;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo h1 {
    font-size: 32px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
}

nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

nav li {
    margin: 0 10px;
}

nav a {
    color: #fff;
    text-decoration: none;
}

nav a:hover {
    color: #ffcc00;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h2 {
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
}

.tutorial {
    margin-bottom: 40px;
    text-align: center;
}

.tutorial img {
    max-width: 100%;
    height: auto;
    border: 10px solid #fff;
}

.tutorial h3 {
    font-size: 20px;
    font-weight: bold;
    margin: 10px 0;
}

footer {
    background-color: #000;
    color: #fff;