author: Krasimir Tsonev

Hi there, I'm . Senior front-end engineer with over 13 years of experience. I write, speak and occasionally code stuff. Follow me on Twitter, GitHub, Facebook or LinkedIn

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Scaling rounded corners in Flash

I'm absolutely sure that you've already met this problem. You know, these nice rounded buttons that are provided by the designer. They are really cool, but sometimes the label of the button is so long that you have to resize/scale the image. ActionScript3 provides simple way to solve this issue.

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CSS: transition from pixels to auto

As you may know I just updated my web site. There are five columns which nicely slide up and down on a lower resolution. In other words, accordion-like navigation. Initially I made this effect with JavaScript. But there was a bug and I decided to use pure CSS. I wanted to define everything in CSS classes which to add or remove. The idea wasn't bad except the fact that every column contains dynamic content and I wasn't able to set the exact height when the column is slided down.

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CSS: :before and :after pseudo elements in practice

By definition :before and :after are CSS pseudo elements. You can use them to insert something before or after the content of an element. There are some great articles giving the basics, but I wanted to write down a blog post for the real use cases. Or, at least, to show what I'm using them for.

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SASS: differences between mixins, extends and placeholders

I used LESS a lot. These days I decided to try SASS and to be honest it's a better choice for CSS preprocessor. It just gives me more functionalities and better control on my code. There are few instruments for architecting your CSS logic - @mixin, @extend and placeholders. However there are differences between them and specific use cases.

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