Category: Tutorials

Confused About REM and EM?

REM can be confusing, especially without a solid understanding of its partner EM and their archvillain, the PX. This article does a pretty good job of explaining all that…
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Vertical align anything with just 3 lines of CSS

With just 3 lines of CSS (excluding vendor prefixes) we can with the help of transform: translateY vertically center whatever we want, even if we don’t know its height.
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Bulletproof Accessible Icon Fonts

Care must be taken when implementing icon fonts to ensure a great experience for all users. What happens when your font doesn’t load? What happens when @font-face isn’t supported in the browser? We’ll show you how to implement bulletproof font icons.
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Flexible CSS cover images

The source image is cropped, and below specific maximum dimensions it’s displayed at a predetermined aspect ratio. This post describes the implementation…
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What You May Not Know About the Z-Index Property

The z-index property in CSS seems simple enough, but there’s a lot to discover beneath the surface if you really want to understand how it works. In this tutorial we’ll clarify the inner workings of z-index, by looking at stacking contexts and a few practical examples…
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Navicon Transformicons: Animated Navigation Icons with CSS Transforms

Learn how to create impressive animated navigation icon transformations…
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Justified and Vertically Centered Header Elements

Some simple CSS tricks, using pseudo-elements, that you can use for centering header (or any other) elements vertically and justifying them…
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Height equals width with pure CSS

A CSS only solution to maintaining aspect ratios when elements are resized…
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Using Custom Data Attributes and Pseudo-Elements

A tutorial to show you some simple CSS tricks using data attributes and pseudo-elements. The aim is to create an image caption using only an anchor and an image as markup…
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CSS pointer-events and a pure CSS3 animating tooltip

CSS only tooltips with a nice CSS3 transition for fade in/out…
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