Houston Chronicle

How to Add a Hyperlink to External CSS

Cascading style sheets (CSS) are browser instructions for styling HTML elements that can be added to Web pages in one of three ways: externally, internally or inline. Two advantages of using external ...
GitHub

@external CSS classes can not be used within conditional CSS

Found in GWT Release (e.g. 2.4.0, 2.5.1, trunk): 2.7.0 Encountered on OS / Browser (e.g. WinXP, IE9, FF10): - Detailed description (please be as specific as possible): @external annotated CSS classes ...
GitHub

external-css

HTML, CSS, and JavaScript are the foundational technologies for building web pages. HTML structures content, CSS styles it, and JavaScript adds interactive functionality. This GitHub repository is a ...
Bleeping Computer

Attackers can hide 'external sender' email warnings with HTML and CSS

The "external sender" warnings shown to email recipients by clients like Microsoft Outlook can be hidden by the sender, as demonstrated by a researcher. Turns out, all it takes for attackers to alter ...