Flash of unstyled content (FOUC) in Firefox only? Is FF slow renderer?

If you add a dummy <script> tag right after <body>, Firefox will show the page after all the css from <head> is loaded: <body> <script>0</script> <!– rest of the code –> </body> There is an official bugreport about this FOUC (Flash Of Unstyled Content) on the Firefox site: https://bugzilla.mozilla.org/show_bug.cgi?id=1404468

Order of prioritization when using multiple contradictory css files

Quick Answer: If both pieces of CSS have the same specificity (for example, they’re both body{), then whichever gets called LAST will override the previous one. BUT, if something has higher specificity (a more specific selector), it will be used regardless of the order. Example 1: <div class=”container”> <div class=”name”>Dave</div> </div> <style> .name { color: … Read more

Can you link to a CSS file from an email?

Forget efficient. Forget smart. Forget maintainable. This is HTML mail we’re talking about. HTML mail and Webmail clients are extremely limited, partly for security reasons but mainly because they’re just rubbish. External style sheets almost certainly won’t work. HTML-embedded style sheets probably won’t work. Inline style=”…” attribute on every damn element… has a much better … Read more

How to play CSS3 transitions in a loop?

CSS transitions only animate from one set of styles to another; what you’re looking for is CSS animations. You need to define the animation keyframes and apply it to the element: @keyframes changewidth { from { width: 100px; } to { width: 300px; } } div { animation-duration: 0.1s; animation-name: changewidth; animation-iteration-count: infinite; animation-direction: alternate; … Read more

Can one CSS file take priority over another CSS file?

It depends on how you set them in your header. So something like this will work: <link rel=”old stylesheet” href=”https://stackoverflow.com/questions/16913131/path/to/style.css” /> <link rel=”newer stylesheet” href=”https://stackoverflow.com/questions/16913131/path/to/style.css” /> <link rel=”newest stylesheet” href=”https://stackoverflow.com/questions/16913131/path/to/style.css” /> The last one will be picked up. And an helpful link about stylesheets here: http://www.w3.org/TR/html401/present/styles.html#h-14.3.2 See also: Precedence in CSS if the above doesn’t … Read more

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