From fe811c230baa72dbbc6b2847d88745dbe03eeb59 Mon Sep 17 00:00:00 2001
From: Alf Eaton <eaton.alf@gmail.com>
Date: Fri, 1 Sep 2017 15:38:07 +0100
Subject: [PATCH] Use global CSS variables for the primary colour

---
 src/atoms/Button.js         |  8 ++++++--
 src/atoms/Button.local.scss | 12 +++++++++++-
 src/atoms/Button.md         |  7 +++++++
 3 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/atoms/Button.js b/src/atoms/Button.js
index 3270a1ac3..52e6cf384 100644
--- a/src/atoms/Button.js
+++ b/src/atoms/Button.js
@@ -1,9 +1,13 @@
 import React from 'react'
+import classnames from 'classnames'
 import classes from './Button.local.scss'
 
-const Button = ({ children, type = 'button', disabled, onClick}) => (
+const Button = ({ children, type = 'button', disabled, primary, onClick}) => (
   <button
-    className={classes.root}
+    className={classnames(classes.root, {
+      [classes.disabled]: disabled,
+      [classes.primary]: primary
+    })}
     type={type}
     disabled={disabled}
     onClick={onClick}>{children}</button>
diff --git a/src/atoms/Button.local.scss b/src/atoms/Button.local.scss
index 498fb964a..02e18e592 100644
--- a/src/atoms/Button.local.scss
+++ b/src/atoms/Button.local.scss
@@ -1,7 +1,17 @@
 .root {
-  composes: primary from '../lib/colors.local.scss';
   text-transform: uppercase;
   border: none;
   font-size: inherit;
   padding: 10px 20px;
+  cursor: pointer;
+}
+
+.primary {
+  background-color: var(--primary-color);
+  color: white;
+}
+
+.disabled {
+  background-color: gray;
+  color: white;
 }
diff --git a/src/atoms/Button.md b/src/atoms/Button.md
index 1c2b0519b..a7871d1b7 100644
--- a/src/atoms/Button.md
+++ b/src/atoms/Button.md
@@ -1,6 +1,7 @@
 A button.
 
 ```js
+
 <Button>Save</Button>
 ```
 
@@ -9,3 +10,9 @@ A button can be disabled.
 ```js
 <Button disabled>Save</Button>
 ```
+
+A button can be marked as the "primary" action.
+
+```js
+<Button primary>Save</Button>
+```
-- 
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