diff --git a/skin.json b/skin.json
index 92f2b0e1b..5cef59dd2 100644
--- a/skin.json
+++ b/skin.json
@@ -212,6 +212,9 @@
 			"mediawiki.special.search.styles": [
 				"skinStyles/mediawiki.special.search.styles/minerva.less"
 			],
+			"mediawiki.special.search.interwikiwidget.styles": [
+				"skinStyles/mediawiki.special.search.interwikiwidget.styles/minerva.less"
+			],
 			"mediawiki.skinning.content.parsoid": [
 				"skinStyles/mediawiki.skinning.content.parsoid/minerva.less"
 			],
diff --git a/skinStyles/mediawiki.special.search.interwikiwidget.styles/minerva.less b/skinStyles/mediawiki.special.search.interwikiwidget.styles/minerva.less
new file mode 100644
index 000000000..e2dcef57c
--- /dev/null
+++ b/skinStyles/mediawiki.special.search.interwikiwidget.styles/minerva.less
@@ -0,0 +1,16 @@
+@import '../../minerva.less/minerva.variables.less';
+
+.mw-searchresults-has-iw {
+	// stylelint-disable-next-line selector-max-id
+	#mw-interwiki-results {
+		margin-left: 0;
+		width: 100%;
+	}
+
+	.iw-resultset:nth-child( 1 ) {
+		.iw-result__header {
+			border-top: solid 1px #ccc;
+			padding-top: 12px;
+		}
+	}
+}
diff --git a/skinStyles/mediawiki.special.search.styles/minerva.less b/skinStyles/mediawiki.special.search.styles/minerva.less
index fb4bcbd0d..9defcafd3 100644
--- a/skinStyles/mediawiki.special.search.styles/minerva.less
+++ b/skinStyles/mediawiki.special.search.styles/minerva.less
@@ -6,6 +6,11 @@
 	display: none;
 }
 
+.mw-search-results-container,
+.mw-search-results-info {
+	width: 100%;
+}
+
 @media all and ( min-width: @width-breakpoint-tablet ) {
 	#search { // stylelint-disable-line selector-max-id
 		display: none;