Rename CSS class main-inner into width-limiter

Author: GuillaumeGomez

src/librustdoc/html/static/css/rustdoc.css

@@ -264,12 +264,12 @@ main {
 	padding: 15px;
 }
 
-.main-inner {
+.width-limiter {
 	max-width: 960px;
 	margin-right: auto;
 }
 
-.source .main-inner {
+.source .width-limiter {
 	max-width: unset;
 }
 
@@ -1698,7 +1698,7 @@ details.rustdoc-toggle[open] > summary.hideme::after {
 
 	/* When we expand the sidebar on the source code page, we hide the logo on the left of the
 	search bar to have more space. */
-	.sidebar.expanded + main .main-inner .sub-logo-container.rust-logo {
+	.sidebar.expanded + main .width-limiter .sub-logo-container.rust-logo {
 		display: none;
 	}
 

src/librustdoc/html/templates/page.html

@@ -82,7 +82,7 @@
         {{- sidebar | safe -}}
     </nav> {#- -#}
     <main> {#- -#}
-        <div class="main-inner"> {#- -#}
+        <div class="width-limiter"> {#- -#}
             <div class="sub-container"> {#- -#}
                 <a class="sub-logo-container rust-logo" href='{{page.root_path | safe}}{{krate_with_trailing_slash | safe}}index.html'> {#- -#}
                     <img src='