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Mozilla CSS Bookmarklets

Filed under: Mozilla — taing @ 8:23 pm

Simon Willison: Using bookmarklets to experiment with CSS
They’re all useful, but by far the most useful for learning CSS are test styles and edit styles. test styles opens a popup window in which you can type CSS rules that will be applied instantly to the page you are viewing, while edit styles does the same thing but pre-populates the window with the style sheets of the current site, allowing you to edit them in place. ancestors is also useful; it shows the element hierarchy of the element your mouse is currently over, which can help you see what selector you need to use to modify that element’s style.


Live Headers

Filed under: Mozilla — taing @ 7:15 pm

mozdev.org – livehttpheaders: index
Welcome to the livehttpheaders project.
The goal of this project is to adds information about the HTTP headers in two ways:
First by adding a ‘Headers’ tab in ‘View Page Info’ of a web page.
Second by adding a tool in the ‘Tools->Web Development’ menu to be able to display http headers in real time (while pages are being downloaded from the Internet.

Context Menu Extensions

Filed under: Mozilla — taing @ 6:39 pm

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