body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            background-color: #131212;
        }
        
        .sheets-container {
            background-color: #131212;
            width: 100%;
            height: 100vh;
            overflow: auto;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            border-spacing: 0;
        }
        
        td {
            border: 1px solid #333;
            padding: 8px 12px;
            height: 24px;
            font-size: 14px;
            color: white;
            background-color: #131212;
        }