Responsive Layout Design Using REM Units
Understanding REM Units
The REM (root em) unit is a relative measurement that differs from its cousin EM in a crucial way: while EM references the parent element's font size, REM always references the root element (the <html> tag).
html {
font-size: 16px;
}
.card {
width: 10rem; /* equals 160px */
height: 10rem;
backgr ...
Posted on Fri, 15 May 2026 10:00:03 +0000 by t_machine