try to fix tidy issues

Author: 1011X

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

@@ -2057,18 +2057,18 @@ in storage.js plus the media query with (min-width: 701px)
 
 @media print {
 	nav.sidebar, nav.sub, .content .out-of-band, a.srclink, #copy-path,
-    details.rustdoc-toggle[open] > summary::before, details.rustdoc-toggle > summary::before,
-    details.rustdoc-toggle.top-doc > summary {
+	details.rustdoc-toggle[open] > summary::before, details.rustdoc-toggle > summary::before,
+	details.rustdoc-toggle.top-doc > summary {
 		display: none;
 	}
-    
-    .docblock {
-        margin-left: 0;
-    }
-    
-    main {
-        padding-left: 15px;
-    }
+
+	.docblock {
+		margin-left: 0;
+	}
+
+	main {
+		padding-left: 15px;
+	}
 }
 
 @media (max-width: 464px) {