shell.css

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

.monaco-shell {
	height: 100%;
	width: 100%;
	margin: 0;
	padding: 0;
	overflow: hidden;
	font-size: 11px;
	user-select: none;
}

/* Font Families (with CJK support) */

.monaco-shell { font-family: -apple-system, BlinkMacSystemFont, "Segoe WPC", "Segoe UI", "HelveticaNeue-Light", "Ubuntu", "Droid Sans", sans-serif; }
.monaco-shell:lang(zh-Hans) { font-family: -apple-system, BlinkMacSystemFont, "Segoe WPC", "Segoe UI", "HelveticaNeue-Light", "Noto Sans", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Source Han Sans CN", "Source Han Sans", sans-serif; }
.monaco-shell:lang(zh-Hant) { font-family: -apple-system, BlinkMacSystemFont, "Segoe WPC", "Segoe UI", "HelveticaNeue-Light", "Noto Sans", "Microsoft Jhenghei", "PingFang TC", "Source Han Sans TC", "Source Han Sans", "Source Han Sans TW", sans-serif; }
.monaco-shell:lang(ja) { font-family: -apple-system, BlinkMacSystemFont, "Segoe WPC", "Segoe UI", "HelveticaNeue-Light", "Noto Sans", "Meiryo", "Hiragino Kaku Gothic Pro", "Source Han Sans J", "Source Han Sans JP", "Source Han Sans", "Sazanami Gothic", "IPA Gothic", sans-serif; }
.monaco-shell:lang(ko) { font-family: -apple-system, BlinkMacSystemFont, "Segoe WPC", "Segoe UI", "HelveticaNeue-Light", "Noto Sans", "Malgun Gothic", "Nanum Gothic", "Dotom", "Apple SD Gothic Neo", "AppleGothic", "Source Han Sans K", "Source Han Sans JR", "Source Han Sans", "UnDotum", "FBaekmuk Gulim", sans-serif; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.monaco-shell img {
	border: 0;
}

.monaco-shell label {
	cursor: pointer;
}

.monaco-shell a {
	text-decoration: none;
}

.monaco-shell a:active {
	color: inherit;
	background-color: inherit;
}

.monaco-shell a.plain {
	color: inherit;
	text-decoration: none;
}

.monaco-shell a.plain:hover,
.monaco-shell a.plain.hover {
	color: inherit;
	text-decoration: none;
}

.monaco-shell input {
	color: inherit;
	font-family: inherit;
	font-size: 100%;
}

.monaco-shell select {
	font-family: inherit;
}

.monaco-shell .pointer {
	cursor: pointer;
}

.monaco-shell .monaco-menu .monaco-action-bar.vertical {
	padding: .5em 0;
}

.monaco-shell .monaco-menu .monaco-action-bar.vertical .action-label,
.monaco-shell .monaco-menu .monaco-action-bar.vertical .keybinding {
	padding: 0.5em 2em;
}

/* START Keyboard Focus Indication Styles */

.monaco-shell [tabindex="0"]:focus,
.monaco-shell .synthetic-focus,
.monaco-shell select:focus,
.monaco-shell input[type="button"]:focus,
.monaco-shell input[type="text"]:focus,
.monaco-shell textarea:focus,
.monaco-shell input[type="checkbox"]:focus {
	outline-width: 1px;
	outline-style: solid;
	outline-offset: -1px;
	opacity: 1 !important;
}

.monaco-shell [tabindex="0"]:active,
.monaco-shell select:active,
.monaco-shell input[type="button"]:active,
.monaco-shell input[type="checkbox"]:active,
.monaco-shell .monaco-tree .monaco-tree-row
.monaco-action-bar .action-item [tabindex="0"]:hover,
.monaco-shell .monaco-tree.focused.no-focused-item:active:before {
	outline: 0 !important; /* fixes some flashing outlines from showing up when clicking */
}

.monaco-shell .mac select:focus {
	border: none; /* outline is a square, but border has a radius, so we avoid this glitch when focused (https://github.com/Microsoft/vscode/issues/26045) */
}

.monaco-shell .monaco-tree.focused .monaco-tree-row.focused [tabindex="0"]:focus {
	outline-width: 1px; /* higher contrast color for focusable elements in a row that shows focus feedback */
	outline-style: solid;
}

.monaco-shell .monaco-tree.focused.no-focused-item:focus:before,
.monaco-shell .monaco-list:not(.element-focused):focus:before {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 5; /* make sure we are on top of the tree items */
	content: "";
	pointer-events: none; /* enable click through */
	outline: 1px solid; /* we still need to handle the empty tree or no focus item case */
	outline-width: 1px;
	outline-style: solid;
	outline-offset: -1px;
}

.monaco-shell .synthetic-focus :focus {
	outline: 0 !important; /* elements within widgets that draw synthetic-focus should never show focus */
}

.monaco-shell .monaco-inputbox.info.synthetic-focus,
.monaco-shell .monaco-inputbox.warning.synthetic-focus,
.monaco-shell .monaco-inputbox.error.synthetic-focus,
.monaco-shell .monaco-inputbox.info input[type="text"]:focus,
.monaco-shell .monaco-inputbox.warning input[type="text"]:focus,
.monaco-shell .monaco-inputbox.error input[type="text"]:focus {
	outline: 0 !important; /* outline is not going well with decoration */
}

.monaco-shell .monaco-tree.focused:focus,
.monaco-shell .monaco-list:focus {
	outline: 0 !important; /* tree indicates focus not via outline but through the focused item */
}