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Posted Apr 17, 2019

Data attributes on HTML elements can be very handy for targeting certain elements with CSS and/or Javascript. Let's say, for example, we have a site with a menu whose links have a different background colour depending on what category they belong to, cats or dogs.The HTML might look like this: <ul class="menu">  <li class="menu-item">    <a href="#">Cats rule</a>  </li>  <li class="menu-item"...

Tags: Drupal 8, twig, CSS, data attributes, html

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Posted Mar 26, 2019

I've been working on a website with the requirement to truncate certain text fields—display the first several words of the text, with a "show more" link which on click, expands the rest of the text. As I was under a very tight deadline, I found and implemented a jQuery plugin. Quick and easy. However, that approach creates several problems. One, it's a lot of code for a pretty simple function. Two, since it's applied client-side, not server-side, it didn't work on first page hit. People...

Tags: Drupal 8, twig, html, javascript, content display, theming

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Posted Aug 4, 2016

(Note that this technique is totally deprecated by Flexbox and CSS Grid, but it's interesting for historical purposes, I guess). If you've ever tried to do it, you know that vertically centring elements in CSS is notoriously difficult. Horizontal centring is a relative breeze, but vertical is another story. I often have a use-case where I want to vertically centre some text on top of an image, say for a site banner. For example: I have a few requirements: I want the image to be an actual...

Tags: front end, CSS, vertical centering

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