はてなブックマーク

The stretch keyword: a better alternative to width: 100% in CSS? Certain HTML elements, like a div or a p, will stretch to take up the full available width by default. If you give them a horizontal margin, it won’t cause a horizontal scrollbar. This is an incredibly useful default behaviour. Of course, many other elements aren’t full-width by default. Let’s look at a few instances where width: 100