Answer
Features often called CSS3 belong to separate modern CSS modules. • Common examples include media queries, transforms, transitions, animations, Flexbox, and Grid. • Different modules have different levels and implementation histories. • Feature support should be checked per feature rather than by a “CSS3” label.
💡 Simple Example
.card {
display: grid;
border-radius: 1rem;
transition: transform .2s;
}
⚡ Quick Revision
“CSS3 features” are modern capabilities defined across multiple CSS modules.