New styles are added instead of reuse Unused styles are not removed No overview of how different styles interact Form factors, adaptiveness, responsiveness
New styles are added instead of reuse Unused styles are not removed No overview of how different styles interact Form factors, adaptiveness, responsiveness The true ”write-only” language
In computer humor, a write-only language is a programming language with syntax (or semantics) sufficiently dense and bizarre that any routine of significant size is too difficult to understand by other programmers and cannot be safely edited.” “
ul:last-child { color: red; } Won’t work in IE8. Will be caught when test runs there. #footer { width: calc(100% - 3em); } Won’t work on Android or Safari < 6 Unsupported CSS-style used