Every front-end developer that starts reading about CSS preprocessors thinks “Oh, finally variables in CSS". Indeed, the ability to create and use variables in CSS makes our code much more flexible. However, I think that there is no need to use a preprocessor to create flexible stylesheets.

We all know what responsive means nowadays. We, as developers, normally develop responsive applications. There is a dozen of instruments helping us achieving our goals. Some of us use extensions and even pay for them. However, I'm using one thing - Google Chrome browser. In this article, we will see what the Chrome's capabilities for testing responsiveness are.

If you believe in responsive design you probably use a lot of media queries. That's a CSS feature which gives us the power to add something like if statements. We are able to apply rules only if the current page meets certain conditions. In this article I'll show you how I use media queries in JavaScript.

The mixins in SASS are really helpful. Here is something really short which I just start using. It's a mixin which I apply on the grid's container.

These days I'm working on this little thing. It's a CSS micro framework following atomic concept. My preprocessor of choice is SASS. That's why I wrote several articles on this subject. Today's post is about media queries mixin.

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.

The first challenge, was something which I was thinking about a lot these days. The next one is actually a well known common task, but it is still difficult. In every project we have different types of layouts. Of course there are some patterns. The idea today is to implement them with pure CSS.

That's first of (I hope) many posts with such an idea. Problems solved with pure CSS. No JavaScript.

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.

NodeJS gives me the ability to write back-end code in one of my favorite languages - JavaScript. It's the perfect technology for real time applications. In this tutorial I'll show you how to build a web chat with Socket.io.

Simple way to produce numbered image with PHP. The script uses PHP GD.

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.

Papervision3D is a perfect tool for the purpose. As you will see such a task needs only few lines of code. To make the example a little bit more interesting we will add additional code to control the rotation of the globe by the mouse.