Fix settings display on small screen size

Author: GuillaumeGomez

src/librustdoc/html/static/css/settings.css

@@ -41,9 +41,7 @@
 
 .toggle {
 	position: relative;
-	display: inline-block;
 	width: 100%;
-	height: 27px;
 	margin-right: 20px;
 	display: flex;
 	align-items: center;
@@ -58,6 +56,7 @@
 .slider {
 	position: relative;
 	width: 45px;
+	min-width: 45px;
 	display: block;
 	height: 28px;
 	margin-right: 20px;