* [Lexend](https://www.lexend.com/) font family (used as the default font of this site)
* [Intel One Mono](https://www.intel.com/content/www/us/en/company-overview/one-monospace-font.html) typeface (used as the monospace font of this site)
Due to this website being a static site, JavaScript is used to create dynamic and interactive components of this site. Here is a list of how JavaScript is used on this site:
* The header of every page uses JavaScript to detect the visitor's current date, so the header will display a top blurb and in some cases also changes the header background on certain dates, including:
* When this site is viewed on mobile devices, the navigation bar's hamburger menu uses JavaScript to enable using the Escape key to close the navigation manu.
* Scott O'Hara's [ARIA Tooltips](https://github.com/scottaohara/a11y_tooltips) script is used to implement accessible tooltips that meet Web Content Accessibility Guidelines (WCAG) 2.2 success criterion for [1.4.13: Content on Hover or Focus (Level AA)](https://www.w3.org/WAI/WCAG22/Understanding/content-on-hover-or-focus.html).
* Zach Leatherman's [details-utils](https://www.npmjs.com/package/@zachleat/details-utils) JavaScript package is used to automatically expand sidebar table of contents on wide screens.
* [Website Carbon Badge](https://www.websitecarbon.com/badge/), which is placed on the home page, uses JavaScript to calculate the carbon footprint of this website.
* [Guestbook](/guestbook) uses JavaScript to render a form, send form data to my private Discord channel via Discord webhook, and fetch data from Google Sheets to display messages on the web page (guestbook code by [Vera Konigin](https://groundedwren.neocities.org/pages/demo_controls/guestbookDemo)).