.a, .bunch, .of, .selectors, .youd, .use, .anyhow { text-align: center; } one time, in one place, in the CSS is a lot terser than: <center></center> repeated

.a, .bunch, .of, .selectors, .youd, .use, .anyhow { text-align: center; } one time, in one place, in the CSS is a lot terser than: <center></center> repeated 20x per page.