PUBLIC MARKS from decembre with tags web & browser

If you are using Firefox Nightly right now, you may have noticed that the latest update of the web browser disabled all legacy add-ons. Firefox Nightly is the first version of the Firefox web browser that hit version 57, the version of Firefox that drops support for so-called legacy add-ons in favor of WebExtensions.

For bugs relating to developer tools within the Firefox web browser (devtools). This includes developer-related APIs and front-end features.

Bug 991806 - (firebug-gaps) Firebug Gaps Developer Tools (show other bugs) (hide info) For bugs relating to developer tools within the Firefox web browser (devtools). This includes developer-related APIs and front-end features.

These are my legal CSS Hacks for fixing web browser quirks or outright bugs. Please enjoy, I have been working on them for years. May it help you if you need them. Please read here first: [What are these CSS Hacks Anyway?] Then check my [Live CSS Hacks Test Page] and also [BrowserHacks.com] where I sent new hacks and test submissions for the site.

If you’re a musician, you probably know how annoying it can be to be away from your instrument(s). At times when you can’t have your instrument with you but you feel like you need to belt out a tune or two, perhaps you can seek solace in browser-based virtual instruments. If you ever feel the need to scratch that musical itch, you could do worse than play around with any one of these 10 virtual instruments.

One of the best ways to take advantage of all that YouTube has to offer is to enhance your video viewing experience by installing the Magic Actions for YouTube™ browser extension. To make the browser plug-in even more attractive, there are versions available for Google Chrome™, Mozilla Firefox™ and Opera™ web browser.

You can inspect the Firefox user interface directly with DOM Inspector. (Which is not the same Inspector as in the Web Developer menu.) [addons.mozilla.org] https://addons.mozilla.org/en-US/firefox/addon/dom-inspector-6622/Click the icon in the upper-left corner of DOMi, the one with a pointer on it, then click anywhere in the browser to select an element; that element will be highlighted in the left column. Right-click the highlighted entry to display a context menu: "Copy Selector" suggests selectors for the element, "Set Pseudo-classes..." lets you switch on :hover. Notice that the browser itself is a document with its own URI, chrome://browser/content/browser.xul, Most of the browser chrome is XUL, but some, such as the Stylish editor, is HTML embedded in XUL. https://developer.mozilla.org/en-US/docs/XUL