Change sub-setting CSS class to sub-settings

Author: GuillaumeGomez

src/librustdoc/html/render.rs

@@ -1250,7 +1250,7 @@ impl Setting {
                 format!(
                     "<div class='setting-line'>\
                         <div class='title'>{}</div>\
-                        <div class='sub-setting'>{}</div>
+                        <div class='sub-settings'>{}</div>
                     </div>",
                     description,
                     sub_settings.iter().map(|s| s.display()).collect::<String>()

src/librustdoc/html/static/settings.css

@@ -68,7 +68,7 @@ input:checked + .slider:before {
 	transform: translateX(19px);
 }
 
-.setting-line > .sub-setting {
+.setting-line > .sub-settings {
 	padding-left: 42px;
 	width: 100%;
 	display: block;