Recently, Stephanie Eckles sent out a call to revive the use of CSS border-image. Not to use it with images but to create Gradient Borders in CSS.
In “CSS Box Sizing Module Level 4” a new aspect-ratio CSS property is defined. Let’s take a look at how to use it.
Don't fiddle too much with your forms‘ layout. Even a small innocent piece of CSS could leave you with a poor #UX and degrade #A11Y.