
                        const css = document.createElement('style');
                        css.type = 'text/css';
                        css.textContent = `/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

.monaco-progress-container {
	width: 100%;
	height: 5px;
	overflow: hidden; /* keep progress bit in bounds */
}

.monaco-progress-container .progress-bit {
	width: 2%;
	height: 5px;
	position: absolute;
	left: 0;
	display: none;
}

.monaco-progress-container.active .progress-bit {
	display: inherit;
}

.monaco-progress-container.discrete .progress-bit {
	left: 0;
	transition: width 100ms linear;
}

.monaco-progress-container.discrete.done .progress-bit {
	width: 100%;
}

.monaco-progress-container.infinite .progress-bit {
	animation-name: progress;
	animation-duration: 4s;
	animation-iteration-count: infinite;
	animation-timing-function: linear;
	-ms-animation-name: progress;
	-ms-animation-duration: 4s;
	-ms-animation-iteration-count: infinite;
	-ms-animation-timing-function: linear;
	-webkit-animation-name: progress;
	-webkit-animation-duration: 4s;
	-webkit-animation-iteration-count: infinite;
	-webkit-animation-timing-function: linear;
	-moz-animation-name: progress;
	-moz-animation-duration: 4s;
	-moz-animation-iteration-count: infinite;
	-moz-animation-timing-function: linear;
	will-change: transform;
}

/**
 * The progress bit has a width: 2% (1/50) of the parent container. The animation moves it from 0% to 100% of
 * that container. Since translateX is relative to the progress bit size, we have to multiple it with
 * its relative size to the parent container:
 *  50%: 50 * 50 = 2500%
 * 100%: 50 * 100 - 50 (do not overflow): 4950%
 */
@keyframes progress { from { transform: translateX(0%) scaleX(1) } 50% { transform: translateX(2500%) scaleX(3) } to { transform: translateX(4950%) scaleX(1) } }
@-ms-keyframes progress { from { transform: translateX(0%) scaleX(1) }	50% { transform: translateX(2500%) scaleX(3) } to { transform: translateX(4950%) scaleX(1) } }
@-webkit-keyframes progress { from { transform: translateX(0%) scaleX(1) }	50% { transform: translateX(2500%) scaleX(3) } to { transform: translateX(4950%) scaleX(1) } }
@-moz-keyframes progress { from { transform: translateX(0%) scaleX(1) }	50% { transform: translateX(2500%) scaleX(3) } to { transform: translateX(4950%) scaleX(1) } }`;
                        document.head.appendChild(css);
                        if (!window.__monacoStylesheets__) {
                            window.__monacoStylesheets__ = [];
                        }
                        window.__monacoStylesheets__.push(css);
                        