O'Reilly

CSS Tutorials

  • Font Smoothing in Webkit and Firefox

    I don't pretend to be a typography or design expert -- I just know what looks good and what doesn't.  A few years ago I saw a few CSS properties I didn't recognize and when I toggled them on and off, the text went from beautiful to...not...

  • Scoping CSS Animations to Media Queries

    When coding my blog's redesigns, I think and design the site in device width stages, and in the following order: Desktop:  all general styles, none wrapped in a media query Tablet:  media query, roughly popular tablet widths Phone:  media query, any width below tablet width Print:  media query, mostly a bunch display: none Since I focus on...

  • 5 Ways to Make Your Site Smaller and Faster

    Confession:  I'd say once a week I genuinely wish I was a kid who spent his work day cutting grass and doing landscaping.  Why?  Because at the end of the day, they are able to say "the grass is cut, the job is complete."  As Web Developers, we...

  • Create a 2 Column Layout with Flexbox

    Flexbox was supposed to be the pot of gold at the long, long rainbow of insufficient CSS layout techniques.  And the only disappointment I've experienced with flexbox is that browser vendors took so long to implement it.  I can't also claim to have pushed flexbox's limits, but...

  • CSS Vertical Center with Flexbox

    I'm 31 years old and feel like I've been in the web development game for centuries.  We knew forever that layouts in CSS were a nightmare and we all considered flexbox our savior.  Whether it turns out that way remains to be seen but flexbox does easily...

  • Write Simple, Elegant and Maintainable Media Queries with Sass

    I spent a few months experimenting with different approaches for writing simple, elegant and maintainable media queries with Sass. Each solution had something that I really liked, but I couldn't find one that covered everything I needed to do, so I ventured into creating my...

  • Tweet For Code #4

    You don't need a thousand lines of code to make a big difference in any coding language.  Oftentimes it's quite the opposite:  a few tiny code snippets can do a world of good and accomplish big things.  I asked my Twitter followers to tweet to me...

  • Element.offsetHeight for Visibility

    One of the (perceived) tricky tasks within front-end coding is checking if an element is visible or not.  The very naive way of checking if an element is visible (i.e. has presence or takes up space on the page) is by checking its display style value: Notice...

  • Write Better Media Queries with Sass

    Let's face facts: media queries can be a pain. They're difficult to write and they tend to get duplicated a lot. Sass includes a few helpful features that make media queries easier to work with. This article will show you these tricks and how you can...

  • Emulate the Invert Filter Effect with Sass

    After figuring out how to get the result of the invert filter for a solid background, the next idea that came to mind was naturally doing this with Sass in order to reproduce the filter effect for browsers not supporting filters. Sass already has...