diff --git a/functions.php b/functions.php
index 84af115..928053f 100644
--- a/functions.php
+++ b/functions.php
@@ -55,7 +55,12 @@ function _s_setup() {
 	) ) );
 
 	// Enable support for HTML5 markup.
-	add_theme_support( 'html5', array( 'comment-list', 'search-form', 'comment-form', ) );
+	add_theme_support( 'html5', array(
+		'comment-list',
+		'search-form',
+		'comment-form',
+		'gallery',
+	) );
 }
 endif; // _s_setup
 add_action( 'after_setup_theme', '_s_setup' );
diff --git a/style.css b/style.css
index 507a99f..f2f133a 100644
--- a/style.css
+++ b/style.css
@@ -630,7 +630,8 @@ a:active {
 	height: auto;
 	max-width: 90%;
 }
-.site-main .gallery dd {
+.site-main .gallery dd,
+.site-main .gallery figcaption {
 	margin: 0;
 }
 .site-main .gallery-columns-4 .gallery-item {