From 51f35ffb28ca89d673a3edb42b3b6e9106cba28d Mon Sep 17 00:00:00 2001
From: Charles Showalter <cshowalter@skynetinc.tech>
Date: Wed, 15 Feb 2023 09:46:12 -0800
Subject: [PATCH] CSS Variables

---
 CSS Variables [3-30]/index.html | 77 +++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 CSS Variables [3-30]/index.html
diff --git a/CSS Variables [3-30]/index.html b/CSS Variables [3-30]/index.html
new file mode 100644
index 0000000..da8ac54
--- /dev/null
+++ b/CSS Variables [3-30]/index.html	
@@ -0,0 +1,77 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Scoped CSS Variables and JS</title>
+  <link rel="icon" href="https://fav.farm/🔥" />
+</head>
+<body>
+  <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
+
+  <div class="controls">
+    <label for="spacing">Spacing:</label>
+    <input id="spacing" type="range" name="spacing" min="10" max="200" value="10" data-sizing="px">
+
+    <label for="blur">Blur:</label>
+    <input id="blur" type="range" name="blur" min="0" max="25" value="10" data-sizing="px">
+
+    <label for="base">Base Color</label>
+    <input id="base" type="color" name="base" value="#ffc600">
+  </div>
+
+  <img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
+
+  <style>
+
+    :root {
+      --base: yellow;
+      --spacing: 10px;
+      --blur: 10px;
+    }
+
+    img {
+      padding: var(--spacing);
+      background: var(--base);
+      filter: blur(var(--blur));
+    }
+
+    .h1 {
+      color: var(--base);
+    }
+
+    /*
+      misc styles, nothing to do with CSS variables
+    */
+
+    body {
+      text-align: center;
+      background: #193549;
+      color: white;
+      font-family: 'helvetica neue', sans-serif;
+      font-weight: 100;
+      font-size: 50px;
+    }
+
+    .controls {
+      margin-bottom: 50px;
+    }
+
+    input {
+      width: 100px;
+    }
+  </style>
+
+  <script>
+    const inputs = document.querySelectorAll('.controls input');
+
+    function handleUpdate(){
+      const suffix = this.dataset.sizing || '';
+      document.documentElement.style.setProperty(`--${this.name}`, this.value + suffix);
+    }
+    inputs.forEach(input => input.addEventListener('change', handleUpdate));
+    inputs.forEach(input => input.addEventListener('mousemove', handleUpdate));
+
+  </script>
+
+</body>
+</html>
