Jul 12, 2010 · 1 The greater sign ( > ) selector in CSS means that the selector on the right is a direct descendant / child of whatever is on the left. An example: article > p { } Means only style …

May 28, 2012 · Searching for the ~ character isn't easy. I was looking over some CSS and found this .check:checked ~ .content { } What does it mean?

Mar 2, 2009 · What is the difference between # and . when declaring a set of styles for an element and what are the semantics that come into play when deciding which one to use?

Mar 17, 2025 · I'm using Tailwind CSS v4 in my Next.js project and getting the following errors in globals.css: Unknown at rule @plugin css (unknownAtRules) Unknown at rule @custom …

The @ syntax itself, though, as I mentioned, is not new. These are all known in CSS as at-rules. They're special instructions for the browser, not directly related to styling of (X)HTML/XML …

May 9, 2010 · CSS "and" and "or" Asked 15 years, 2 months ago Modified 5 months ago Viewed 342k times

I've sometimes used four breakpoints, always starting CSS and all markup with mobile-first (it's harder to scale down and focussing on the mobile means your design and content is pared …

Jan 24, 2025 · The configuration setting has changed by default. However, you have the option to declare the location of your tailwind.config.js file using a relative path in your default CSS file …

Feb 3, 2010 · The biggest difference between padding and margin is that vertical margins auto-collapse, and padding doesn't. Consider two elements one above the other each with padding …

In the end I solved this by preloading the image, calculating the aspect ratio, comparing it versus the aspect ratio of the area and then apply the proper CSS style.