Replace more custom button classes with Bootstrap counterparts

templates/AlbumButtonBox.php

@@ -22,7 +22,7 @@ class AlbumButtonBox extends Template
 
 		foreach ($this->buttons as $button)
 			echo '
-				<a href="', $button['url'], '">', $button['caption'], '</a>';
+				<a class="btn btn-light" href="', $button['url'], '">', $button['caption'], '</a>';
 
 		echo '
 			</div>';

templates/PhotoPage.php

@@ -242,7 +242,7 @@ class PhotoPage extends Template
 		echo '
 				<div id=user_actions_box>
 					<h3>Actions</h3>
-					<a class="btn btn-red" href="', BASEURL, '/', $this->photo->getSlug(), '?confirm_delete">Delete</a>
+					<a class="btn btn-danger" href="', BASEURL, '/', $this->photo->getSlug(), '?confirm_delete">Delete</a>
 				</div>';
 	}
 }