body {
            font-family: Arial, sans-serif;
            background-color: #008080;
            color: #000;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        .main-container {
            width: calc(100% - 600px);
            float: left;
            background-color: #c0c0c0;
            border: 2px solid #000;
            padding: 20px;
            box-shadow: 5px 5px 10px #888888;
            margin-left: 20px;
        }
        .container {
            width: 280px;
            background-color: #c0c0c0;
            border: 2px solid #000;
            padding: 20px;
            box-shadow: 5px 5px 10px #888888;
            margin: 20px;
            float: right;
            clear: right;
        }
        .header {
            text-align: center;
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        .post {
            border-bottom: 2px solid #000;
            padding-bottom: 20px;
            margin-bottom: 20px;
        }
        .post-title {
            font-size: 20px;
            font-weight: bold;
        }
        .post-meta {
            font-size: 14px;
            color: #666;
        }
        .post-content {
            margin-top: 10px;
        }
        .footer {
            text-align: center;
            margin-top: 20px;
            font-size: 14px;
            color: #666;
             }