diff --git a/README.md b/README.md
index 514038b..8de0737 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ A collection of tips to help take your CSS skills pro.
1. [Set `display: none` on Line Breaks Used as Spacing](#set-display-none-on-line-breaks-used-as-spacing)
1. [Use `:empty` to Hide Empty HTML Elements](#use-empty-to-hide-empty-html-elements)
1. [Use `margin-inline` instead of `margin`](#use-margin-inline-instead-of-margin)
+1. [Use Container Queries for Component Scoped Responsiveness](#use-containerqueries-for-component-scoped-responsiveness)
### Use a CSS Reset
@@ -698,6 +699,62 @@ The same can be done for `margin-block` with defines the block start and end mar
[Back to top](#contents)
+### Use Container Queries for Component Scoped Responsiveness
+
+When you make an element a “query container,” anything inside it (headings, paragraphs, etc.) becomes sensitive to that container’s own size. In plain terms:
+
+- The container is the box you’ve marked with `container-type`.
+
+- Its child elements are simply the content within that box.
+
+- Your `@container` rules watch the container’s width and/or height and then apply new styles to those children (or to the container itself) once the box crosses the breakpoints you’ve defined.
+
+#### 1. Establish a container
+
+```css
+.card {
+ /* Enable width-based container queries */
+ container-type: inline-size;
+
+ /* Or track both width & height */
+ /* Use 'size' to enable queries based on width, height, or both */
+ /* container-type: size; */
+
+ /* Optional: name the container to target it explicitly in queries */
+ container-name: card;
+}
+```
+
+#### 2. Write your @container rule
+```css
+/* Query a named container by width */
+@container card-width (min-width: 400px) {
+ .card-width__title {
+ font-size: 1.5rem;
+ color: royalblue;
+ }
+}
+
+/* Query a named container by height */
+@container card-height (min-height: 200px) {
+ .card-height__content {
+ padding: 1.5rem;
+ background: lightcoral;
+ }
+}
+
+/* Query for both width and height on the same container */
+@container card-both (min-width: 400px) and (min-height: 200px) {
+ .card-both {
+ border-color: darkgreen;
+ box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
+ }
+}
+```
+#### [Demo](https://codepen.io/mohan-dand/pen/yyyjrdG)
+
+[Back to top](#contents)
+
## Translations
> [!NOTE]