diff --git a/src/wp-content/themes/twentyeleven/style.css b/src/wp-content/themes/twentyeleven/style.css
index 2be3a03d72..154d9c6ed1 100644
--- a/src/wp-content/themes/twentyeleven/style.css
+++ b/src/wp-content/themes/twentyeleven/style.css
@@ -1971,6 +1971,20 @@ section.ephemera .entry-title a span {
 	display: inline-block;
 }
 
+/* Helps galleries in widget areas look presentable in most cases. */
+#page .widget-area .gallery-columns-2 img,
+#page .widget-area .gallery-columns-3 img,
+#page .widget-area .gallery-columns-4 img,
+#page .widget-area .gallery-columns-5 img,
+#page .widget-area .gallery-columns-6 img,
+#page .widget-area .gallery-columns-7 img,
+#page .widget-area .gallery-columns-8 img,
+#page .widget-area .gallery-columns-9 img {
+	border: none;
+	max-width: 90%;
+	width: auto;
+}
+
 /* =Comments
 ----------------------------------------------- */
 
diff --git a/src/wp-content/themes/twentyfourteen/style.css b/src/wp-content/themes/twentyfourteen/style.css
index 5f53425169..acf9233cbb 100644
--- a/src/wp-content/themes/twentyfourteen/style.css
+++ b/src/wp-content/themes/twentyfourteen/style.css
@@ -1612,7 +1612,15 @@ a.post-thumbnail:hover {
 .gallery-columns-1.gallery-size-medium figure.gallery-item:nth-of-type(1n+1),
 .gallery-columns-1.gallery-size-thumbnail figure.gallery-item:nth-of-type(1n+1),
 .gallery-columns-2.gallery-size-thumbnail figure.gallery-item:nth-of-type(2n+1),
-.gallery-columns-3.gallery-size-thumbnail figure.gallery-item:nth-of-type(3n+1) {
+.gallery-columns-3.gallery-size-thumbnail figure.gallery-item:nth-of-type(3n+1),
+.widget-area .gallery-columns-2 figure.gallery-item:nth-of-type(2n+1),
+.widget-area .gallery-columns-3 figure.gallery-item:nth-of-type(3n+1),
+.widget-area .gallery-columns-4 figure.gallery-item:nth-of-type(4n+1),
+.widget-area .gallery-columns-5 figure.gallery-item:nth-of-type(5n+1),
+.widget-area .gallery-columns-6 figure.gallery-item:nth-of-type(6n+1),
+.widget-area .gallery-columns-7 figure.gallery-item:nth-of-type(7n+1),
+.widget-area .gallery-columns-8 figure.gallery-item:nth-of-type(8n+1),
+.widget-area .gallery-columns-9 figure.gallery-item:nth-of-type(9n+1) {
 	clear: left;
 }
 
@@ -1651,7 +1659,15 @@ a.post-thumbnail:hover {
 
 .gallery-columns-7 .gallery-caption,
 .gallery-columns-8 .gallery-caption,
-.gallery-columns-9 .gallery-caption {
+.gallery-columns-9 .gallery-caption,
+.widget-area .gallery-columns-2 .gallery-caption,
+.widget-area .gallery-columns-3 .gallery-caption,
+.widget-area .gallery-columns-4 .gallery-caption,
+.widget-area .gallery-columns-5 .gallery-caption,
+.widget-area .gallery-columns-6 .gallery-caption,
+.widget-area .gallery-columns-7 .gallery-caption,
+.widget-area .gallery-columns-8 .gallery-caption,
+.widget-area .gallery-columns-9 .gallery-caption {
 	display: none;
 }
 
diff --git a/src/wp-content/themes/twentyseventeen/style.css b/src/wp-content/themes/twentyseventeen/style.css
index cd526107bf..1d650470d1 100644
--- a/src/wp-content/themes/twentyseventeen/style.css
+++ b/src/wp-content/themes/twentyseventeen/style.css
@@ -2582,7 +2582,7 @@ h2.widget-title {
 	padding-top: 1em;
 }
 
-/* widget markup */
+/* Widget markup */
 
 .widget .post-date,
 .widget .rss-date {
@@ -2786,6 +2786,16 @@ h2.widget-title {
 	border: 0;
 }
 
+/* Gallery widget */
+
+.gallery-columns-5 .gallery-caption,
+.gallery-columns-6 .gallery-caption,
+.gallery-columns-7 .gallery-caption,
+.gallery-columns-8 .gallery-caption,
+.gallery-columns-9 .gallery-caption {
+	display: none;
+}
+
 /*--------------------------------------------------------------
 16.0 Media
 --------------------------------------------------------------*/
diff --git a/src/wp-content/themes/twentyten/style.css b/src/wp-content/themes/twentyten/style.css
index 66d6bac69c..1f374f5f73 100644
--- a/src/wp-content/themes/twentyten/style.css
+++ b/src/wp-content/themes/twentyten/style.css
@@ -1246,6 +1246,20 @@ h3#reply-title {
 	display: inline-block;
 }
 
+/* Helps galleries in widget areas look presentable in most cases. */
+.widget-area .gallery-columns-2 img,
+.widget-area .gallery-columns-3 img,
+.widget-area .gallery-columns-4 img,
+.widget-area .gallery-columns-5 img,
+.widget-area .gallery-columns-6 img,
+.widget-area .gallery-columns-7 img,
+.widget-area .gallery-columns-8 img,
+.widget-area .gallery-columns-9 img {
+	border: none;
+	max-width: 90%;
+	width: auto;
+}
+
 /* Main sidebars */
 #main .widget-area ul {
 	margin-left: 0;
diff --git a/src/wp-content/themes/twentythirteen/style.css b/src/wp-content/themes/twentythirteen/style.css
index c46f809125..1e44243806 100644
--- a/src/wp-content/themes/twentythirteen/style.css
+++ b/src/wp-content/themes/twentythirteen/style.css
@@ -1345,7 +1345,15 @@ footer.entry-meta {
 .gallery-columns-1.gallery-size-medium figure.gallery-item:nth-of-type(1n+1),
 .gallery-columns-1.gallery-size-thumbnail figure.gallery-item:nth-of-type(1n+1),
 .gallery-columns-2.gallery-size-thumbnail figure.gallery-item:nth-of-type(2n+1),
-.gallery-columns-3.gallery-size-thumbnail figure.gallery-item:nth-of-type(3n+1) {
+.gallery-columns-3.gallery-size-thumbnail figure.gallery-item:nth-of-type(3n+1),
+.widget-area .gallery-columns-2 figure.gallery-item:nth-of-type(2n+1),
+.widget-area .gallery-columns-3 figure.gallery-item:nth-of-type(3n+1),
+.widget-area .gallery-columns-4 figure.gallery-item:nth-of-type(4n+1),
+.widget-area .gallery-columns-5 figure.gallery-item:nth-of-type(5n+1),
+.widget-area .gallery-columns-6 figure.gallery-item:nth-of-type(6n+1),
+.widget-area .gallery-columns-7 figure.gallery-item:nth-of-type(7n+1),
+.widget-area .gallery-columns-8 figure.gallery-item:nth-of-type(8n+1),
+.widget-area .gallery-columns-9 figure.gallery-item:nth-of-type(9n+1) {
 	clear: left;
 }
 
@@ -1385,7 +1393,15 @@ footer.entry-meta {
 
 .gallery-columns-7 .gallery-caption,
 .gallery-columns-8 .gallery-caption,
-.gallery-columns-9 .gallery-caption {
+.gallery-columns-9 .gallery-caption,
+.widget-area .gallery-columns-2 .gallery-caption,
+.widget-area .gallery-columns-3 .gallery-caption,
+.widget-area .gallery-columns-4 .gallery-caption,
+.widget-area .gallery-columns-5 .gallery-caption,
+.widget-area .gallery-columns-6 .gallery-caption,
+.widget-area .gallery-columns-7 .gallery-caption,
+.widget-area .gallery-columns-8 .gallery-caption,
+.widget-area .gallery-columns-9 .gallery-caption {
 	display: none;
 }
 
@@ -2595,6 +2611,23 @@ footer.entry-meta {
 	padding: 0;
 }
 
+/* Gallery Widget */
+.widget .gallery-columns-1 .gallery-item {
+	max-width: 100%;
+}
+
+.widget .gallery-columns-2 .gallery-item {
+	max-width: 49%;
+	max-width: -webkit-calc(50% - 4px);
+	max-width:         calc(50% - 4px);
+}
+
+.widget .gallery-columns-3 .gallery-item {
+	max-width: 22%;
+	max-width: -webkit-calc(33% - 4px);
+	max-width:         calc(33% - 4px);
+}
+
 /**
  * 7.0 Footer
  * ----------------------------------------------------------------------------
diff --git a/src/wp-content/themes/twentytwelve/style.css b/src/wp-content/themes/twentytwelve/style.css
index 4e559ac279..e7eb66a4e7 100644
--- a/src/wp-content/themes/twentytwelve/style.css
+++ b/src/wp-content/themes/twentytwelve/style.css
@@ -1465,6 +1465,18 @@ a.comment-edit-link:hover {
 	margin: 0;
 }
 
+.widget-area .gallery-columns-2.gallery-size-full .gallery-icon img,
+.widget-area .gallery-columns-3.gallery-size-full .gallery-icon img,
+.widget-area .gallery-columns-4.gallery-size-full .gallery-icon img,
+.widget-area .gallery-columns-5.gallery-size-full .gallery-icon img,
+.widget-area .gallery-columns-6 .gallery-icon img,
+.widget-area .gallery-columns-7 .gallery-icon img,
+.widget-area .gallery-columns-8 .gallery-icon img,
+.widget-area .gallery-columns-9 .gallery-icon img {
+	height: auto;
+	max-width: 80%;
+}
+
 /* =Plugins
 ----------------------------------------------- */