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Displaying the Current Step with CSS Counters

Say you have five buttons. Each button is a step. If you click on the fourth button, you’re on step 4 of 5, and you want to display that.

This kind of counting and displaying could be hard-coded, but that’s no fun. JavaScript could do this job as well. But CSS? Hmmmm. Can it? CSS has counters, so we can certainly count the number of buttons. But how do we calculate only up to a certain button? Turns out … Read article “Displaying the Current Step with CSS Counters”

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How to Reverse CSS Custom Counters

I needed a numbered list of blog posts to be listed with the last/high first and going down from there. Like this:

5. Post Title
4. Post Title
3. Post Title
2. Post Title
1. Post Title

But the above is just text. I wanted to do this with a semantic <ol> element.… Read article “How to Reverse CSS Custom Counters”

Almanac

counter-increment

Ordered lists aren’t the only elements that can be automatically numbered. Thanks to the various counter-related properties, any element can be.

<body>
  <section></section>
  <section></section>
  <section></section>
  <section></section>
</body>
body {
  counter-reset: my-awesome-counter;
}
section {
  counter-increment: my-awesome-counter;
}
section:before {
  content: counter(my-awesome-counter);
}

Each <section> will respectively start with “1”, “2”, “3”, or “4”.

You can control the style of the counter by comma separating the counter function. e.g. to make them use Roman numerals:

section:before {
  content: counter(my-awesome-counter, upper-roman);
}
Read article “counter-increment”