fix link

src/components/atoms/PostActions.jsx

@@ -42,7 +42,7 @@ export default class PostActions extends PureComponent {
           <h1 className={styles.actionTitle}>Found something useful?</h1>
           <p className={styles.actionText}>
             Say thanks{' '}
-            <button onClick={this.toggleModal}>with Bitcoins or Ether.</button>
+            <button className="link" onClick={this.toggleModal}>with Bitcoins or Ether.</button>
           </p>
         </article>
 

src/styles/_buttons.scss

@@ -83,6 +83,21 @@ a.btn {
     }
 }
 
+button.link {
+    color: $link-color;
+
+    &:hover,
+    &:focus {
+        outline: 0;
+        color: lighten($link-color, 10%);
+    }
+
+    &:active {
+        transition: none;
+        color: darken($link-color, 10%);
+    }
+}
+
 // Primary Button
 .btn-primary,
 a.btn-primary {