html, body, .container { width: 100%; height: 100%; margin: 0; padding: 0; } body { padding: 20px; display: flex; flex-direction: row; } .table-container { height: 100%; width: 70%; } .button { margin: 10px; } .command-container { height: 100%; width: 30%; } .action-container { display: flex; flex-direction: row; flex-wrap: wrap; } .action-container button { margin: 10px; }