/* Basic Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

/* Header */
header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header a {
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header ul {
    padding: 0;
    list-style: none;
}

header li {
    display: inline;
    padding: 0 20px;
}

/* Main Content */
main {
    padding: 20px;
    background: #fff;
}

article {
    padding: 20px;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: #fff;
}