Stylized implementation of HTML's
<abbr> element for abbreviations and acronyms to show the expanded version on hover. Abbreviations with a
title attribute have a light dotted bottom border and a help cursor on hover, providing additional context on hover and to users of assistive technologies.
An abbreviation of the word attribute is attr.
.initialism to an abbreviation for a slightly smaller font-size.
HTML is the best thing since sliced bread.