Add squiggle link hover effect

snippets/squiggle-link-hover-effect.md

@@ -0,0 +1,32 @@
+---
+title: Squiggle link hover effect
+tags: animation,visual
+author: chalarangelo
+cover: blog_images/dreamy-flowers.jpg
+firstSeen: 2023-01-10T05:00:00-04:00
+---
+
+Creates a squiggle effect when hovering over a link.
+
+- Create a repeating background for the link using a `linear-gradient`.
+- Create a `:hover` state for the link with a `background-image` of a data URL containing an SVG with a squiggly path and an animation.
+
+```html
+<p>The <a class="squiggle" href="#">magnificent octopus</a> swam along gracefully.</p>
+```
+
+```css
+a.squiggle {
+  background: linear-gradient(to bottom, #0087ca 0%, #0087ca 100%);
+  background-position: 0 100%;
+  background-repeat: repeat-x;
+  background-size: 2px 2px;
+  color: inherit;
+  text-decoration: none;
+}
+
+a.squiggle:hover {
+  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 4'%3E%3Cstyle type='text/css'%3E.squiggle{animation:shift .3s linear infinite;}@keyframes shift {from {transform:translateX(0);}to {transform:translateX(-15px);}}%3C/style%3E%3Cpath fill='none' stroke='%230087ca' stroke-width='2' class='squiggle' d='M0,3.5 c 5,0,5,-3,10,-3 s 5,3,10,3 c 5,0,5,-3,10,-3 s 5,3,10,3'/%3E%3C/svg%3E");
+  background-size: auto 4px;
+}
+```