@schukai/monster/source/components/stylesheet/normalize.mjs

Monster is a simple library for creating fast, robust and lightweight websites.

/**
 * Copyright © schukai GmbH and all contributing authors, 2025. All rights reserved.
 * Node module: @schukai/monster
 *
 * This source code is licensed under the GNU Affero General Public License version 3 (AGPLv3).
 * The full text of the license can be found at: https://www.gnu.org/licenses/agpl-3.0.en.html
 *
 * For those who do not wish to adhere to the AGPLv3, a commercial license is available.
 * Acquiring a commercial license allows you to use this software without complying with the AGPLv3 terms.
 * For more information about purchasing a commercial license, please contact schukai GmbH.
 */

import { addAttributeToken } from "../../dom/attributes.mjs";
import { ATTRIBUTE_ERRORMESSAGE } from "../../dom/constants.mjs";

export { NormalizeStyleSheet };

/**
 * @private
 * @type {CSSStyleSheet}
 */
const NormalizeStyleSheet = new CSSStyleSheet();

try {
	NormalizeStyleSheet.insertRule(
		`
@layer normalize { 
:where(html){line-height:1.15;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}:where(h1){font-size:2em;margin-block-end:.67em;margin-block-start:.67em}:where(dl,ol,ul) :where(dl,ol,ul){margin-block-end:0;margin-block-start:0}:where(hr){box-sizing:content-box;color:inherit;height:0}:where(abbr[title]){text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}:where(b,strong){font-weight:bolder}:where(code,kbd,pre,samp){font-family:monospace,monospace;font-size:1em}:where(small){font-size:80%}:where(table){border-color:currentColor;text-indent:0}:where(button,input,select){margin:0}:where(button){text-transform:none}:where(button,input:is([type=button i],[type=reset i],[type=submit i])){-webkit-appearance:button}:where(progress){vertical-align:baseline}:where(select){text-transform:none}:where(textarea){margin:0}:where(input[type=search i]){-webkit-appearance:textfield;outline-offset:-2px}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}::-webkit-input-placeholder{color:inherit;opacity:.54}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}:where(button,input:is([type=button i],[type=color i],[type=reset i],[type=submit i]))::-moz-focus-inner{border-style:none;padding:0}:where(button,input:is([type=button i],[type=color i],[type=reset i],[type=submit i]))::-moz-focusring{outline:1px dotted ButtonText}:where(:-moz-ui-invalid){box-shadow:none}:where(dialog){background-color:#fff;border:solid;color:#000;height:-moz-fit-content;height:fit-content;left:0;margin:auto;padding:1em;position:absolute;right:0;width:-moz-fit-content;width:fit-content}:where(dialog:not([open])){display:none}:where(summary){display:list-item}html{height:100%}body,html{min-height:calc(100vh - 40px)}body{box-sizing:border-box;margin:0;padding:0;word-break:break-word}body:focus-visible{outline:none}:focus-visible{outline:none} 
}`,
		0,
	);
} catch (e) {
	addAttributeToken(
		document.getRootNode().querySelector("html"),
		ATTRIBUTE_ERRORMESSAGE,
		e + "",
	);
}