Additional card cleanup

src/components/presentational/Checkbox.jsx

@@ -0,0 +1,10 @@
+import React from 'react';
+
+export default ({ label, isActive, onClickCheckbox }) => (
+  <div className={(isActive) ? 'item active' : 'item'}>
+    <span onClick={() => onClickCheckbox()}>{label}</span>
+    <button onClick={() => onClickCheckbox()}>
+      <div className="checkbox" />
+    </button>
+  </div>
+);