diff --git a/wp-content/themes/twentyseventeen/assets/css/colors-dark.css b/wp-content/themes/twentyseventeen/assets/css/colors-dark.css
index 7b747a821b..d6fda60c4e 100644
--- a/wp-content/themes/twentyseventeen/assets/css/colors-dark.css
+++ b/wp-content/themes/twentyseventeen/assets/css/colors-dark.css
@@ -474,8 +474,8 @@ body.colors-dark,
 }
 
 /* Fixes linked images */
-.entry-content a img,
-.widget a img {
+.colors-dark .entry-content a img,
+.colors-dark .widget a img {
 	-webkit-box-shadow: 0 0 0 8px #222;
 	box-shadow: 0 0 0 8px #222;
 }
@@ -496,6 +496,9 @@ body.colors-dark,
 	background-color: transparent;
 }
 
+.colors-dark .gallery-item a,
+.colors-dark .gallery-item a:hover,
+.colors-dark .gallery-item a:focus,
 .colors-dark .widget .tagcloud a,
 .colors-dark .widget .tagcloud a:focus,
 .colors-dark .widget .tagcloud a:hover,
diff --git a/wp-content/themes/twentyseventeen/style.css b/wp-content/themes/twentyseventeen/style.css
index 2c323193f2..bea2875873 100644
--- a/wp-content/themes/twentyseventeen/style.css
+++ b/wp-content/themes/twentyseventeen/style.css
@@ -2952,7 +2952,7 @@ object {
 	box-shadow: none;
 	background: none;
 	display: inline-block;
-	width: 100%;
+	max-width: 100%;
 }
 
 .gallery-item a img {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7d9ef36de1..f260ff85ca 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-39417';
+$wp_version = '4.8-alpha-39418';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.