Ynng

.editor-group-watermark > .letterpress{
  background-image: url("https://raw.githubusercontent.com/Aikoyori/ProgrammingVTuberLogos/main/VSCode/VSCode-Thick.png") !important;
  opacity: .75;
  aspect-ratio: 3/2 !important;
}

addyosmani

CSS Layout Debugger

A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.

One-line version to paste in your DevTools

Use $$ if your browser aliases it:

~ 108 byte version