gridPanel.css

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

.grid-panel.action-bar.vertical {
	display : inline-block;
	height : 100%;
	vertical-align : top;
}

.grid-panel.action-bar.horizontal {
	width : 100%;
	display: flex;
}

.grid-panel .cell {
	text-overflow: ellipsis;
	overflow: hidden;
}

.grid-panel.action-bar.vertical .action-item .action-label {
	padding: 0px;
}