body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f7f7f7;
}
.header {
    background: #2d3e50;
    color: #fff;
    padding: 16px;
    text-align: center;
    font-size: 1.5em;
}
.navbar {
    background: #34495e;
    padding: 8px 0;
}
.navbar ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 32px;
}
.navbar ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}
.sidebar {
    background: #ecf0f1;
    padding: 16px;
    width: 180px;
    float: left;
    min-height: 400px;
}
.sidebar ul {
    list-style: none;
    padding: 0;
}
.sidebar ul li {
    margin-bottom: 12px;
}
.sidebar ul li a {
    color: #2d3e50;
    text-decoration: none;
}
.content {
    margin-left: 200px;
    margin-right: 200px;
    padding: 24px;
    background: #fff;
    min-height: 400px;
}
.berita {
    margin-bottom: 24px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 16px;
}
.berita h2 {
    color: #2d3e50;
    margin-top: 0;
}
.rightbar {
    background: #ecf0f1;
    padding: 16px;
    width: 180px;
    float: right;
    min-height: 400px;
    box-sizing: border-box;
}
.rightbar ul {
    list-style: none;
    padding: 0;
}
.rightbar ul li {
    margin-bottom: 12px;
}
.footer {
    background: #2d3e50;
    color: #fff;
    text-align: center;
    padding: 12px;
    clear: both;
    position: relative;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 12px auto;
}