@theia/core/src/browser/style/icons.css

Theia is a cloud & desktop IDE framework implemented in TypeScript.

/********************************************************************************
 * Copyright (C) 2019 TypeFox and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/

.theia-open-change-icon {
    width: var(--theia-icon-size);
    height: var(--theia-icon-size);
    background: var(--theia-icon-open-change) no-repeat;
}

.theia-open-file-icon {
    width: var(--theia-icon-size);
    height: var(--theia-icon-size);
    background: var(--theia-icon-open-file) no-repeat;
}

.theia-open-preview-icon {
    width: var(--theia-icon-size);
    height: var(--theia-icon-size);
    background: var(--theia-icon-preview) no-repeat;
}

.theia-open-json-icon {
    width: var(--theia-icon-size);
    height: var(--theia-icon-size);
    background: var(--theia-icon-open-json) no-repeat;
}

.theia-collapse-all-icon {
    background: var(--theia-icon-collapse-all) center center no-repeat;
}

.theia-remove-all-icon {
	background: var(--theia-icon-remove-all) center center no-repeat;
}

.theia-add-icon {
	background: var(--theia-icon-add) center center no-repeat;
}

@keyframes theia-spin {
	100% {
		transform:rotate(360deg);
	}
}

.theia-animation-spin {
	animation: theia-spin 1.5s linear infinite;
}