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A Complete Guide to Flexbox

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Our comprehensive guide to CSS flexbox layout. This complete guide explains everything about flexbox, focusing on all the different possible properties for the parent element (the flex container) and the child elements (the flex items). It also includes history, demos, patterns, and a browser support chart.
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Media Queries for Standard Devices

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This page lists a ton of different devices and media queries that would specifically target that device. That's probably not generally a great practice, but it is helpful to know what the dimensions for all these devices are in a CSS context.
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A Complete Guide to Dark Mode on the Web

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“Dark mode” is defined as a color scheme that uses light-colored text and other UI elements on a dark-colored background. Dark mode, dark theme, black mode, night mode… they all refer to and mean the same thing: a mostly-dark interface rather than a mostly-light interface.
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A Guide to Console Commands

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The developer’s debugging console has been available in one form or another in web browsers for many years. Starting out as a means for errors to be reported to the developer, its capabilities have increased in many ways; such as automatically logging information like network requests, network responses, security errors or warnings.

There is also a way for a website’s JavaScript to trigger various commands that output to the console for debugging purposes. These commands are contained in a console … Read article “A Guide to Console Commands”

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A Guide to the Responsive Images Syntax in HTML

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This guide is about the HTML syntax for responsive images (and a little bit of CSS for good measure). We'll go over srcset and , plus a whole bunch of things to consider to help you get the best performance and design control from your images.
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SVG Properties and CSS

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SVG has its own set of elements, attributes and properties to the extent that inline SVG code can get long and complex. By leveraging CSS and some of the forthcoming features of the SVG 2 specification, we can reduce that code for cleaner markup.
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