If your styles include an underline or bottom border to text that includes letter spacing, you will see that the underline or bottom border extends beyond the last letter. This is because the letter-spacing property adds white space after each letter. This additional white space is part of the letter causing the extended underline.
On Chrome, a sticky header was obscuring the content of an anchored section even though scroll-margin-top was properly set.
Laying out a definition list to look like a telephone directory requires 2 lines of CSS using grid.
I was working on a site that was color-coding project types and there was a need to use one color with varying opacity per project type. For the full opacity colors, I could use the hex value, the rgb syntax, or the rbga syntax with “1” as the opacity. But with so many style declarations …
I had a situation where images in flexbox containers were not behaving responsively, in that they did not scale proportionately depending on viewport width.