body {
    font-family: Arial, sans-serif;
    background-color: #f4f6f8;
    margin: 0;
    padding: 0;
}

.container {
    width: 70%;
    margin: auto;
    background: white;
    padding: 20px;
}

header {
    text-align: center;
    padding-bottom: 20px;
}

h1 {
    color: #333;
}

.subtitle {
    color: #666;
}

section {
    margin-top: 20px;
}

h2 {
    color: #2c3e50;
}

ul {
    list-style-type: square;
}

footer {
    text-align: center;
    margin-top: 30px;
    color: #777;
}