body{font-family:Arial,sans-serif;padding:12px}.container{max-width:800px;margin:0 auto}button,input,select,textarea{padding:8px;margin:4px 0;width:100%;box-sizing:border-box}.row{display:flex;gap:8px}.row>*{flex:1 1}.task{border:1px solid #ddd;padding:8px;margin:6px 0;border-radius:6px}.small{width:120px}