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+---
+layout: layouts/post.njk
+title: A reveal hover effect using CSS mask
+description: Use CSS mask to create a nice reveal effect on hover
+date: 2023-07-20
+tags: posts
+---
+
+Reveal your images with a nice hover effect and a few lines of code
+* No extra element (only the `<img>` tag)
+* Less than 10 CSS declarations
+* Powered by CSS Mask
+
+
+{% image "./image.png", "A reveal hover effect using mask" %}
+
+```css
+img {
+  padding: 10px; /* control the space for the gradient */
+  background: repeating-linear-gradient(45deg,#FF6B6B 0 10px,#4ECDC4 0 20px);
+  mask:
+    radial-gradient(#000 70%,#0000 71%) content-box
+    50%/var(--_s,150% 150%) no-repeat,
+    linear-gradient(#000 0 0);
+  mask-composite: exclude;
+  transition: .5s;
+  cursor: pointer;
+}
+img:hover {
+  --_s: 0% 0%;
+}
+```
+
+<p class="codepen" data-height="450" data-default-tab="result" data-slug-hash="abQGGew" data-preview="true" data-user="t_afif" style="height: 450px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;">
+  <span>See the Pen <a href="https://codepen.io/t_afif/pen/abQGGew">
+  Hover reveal animation using mask</a> by Temani Afif (<a href="https://codepen.io/t_afif">@t_afif</a>)
+  on <a href="https://codepen.io">CodePen</a>.</span>
+</p>
+<script async src="https://cpwebassets.codepen.io/assets/embed/ei.js"></script>
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