Breathe 2024: Style updates

Change 404 page background color.

Fix some RTL issues.

See #377


git-svn-id: https://meta.svn.wordpress.org/sites/trunk@14108 74240141-8908-4e6f-9713-ba540dce6ec7

wordpress.org/public_html/wp-content/themes/pub/wporg-breathe-2024/style.css

@@ -432,7 +432,7 @@ body.make-hosting #headline h2 a:before { content: '\f176'; }
 }
 
 .o2-editor .o2-editor-footer .o2-editor-tabs li:first-of-type {
-	border-left-color: var(--wp--custom--form--border--color);
+	border-inline-start-color: var(--wp--custom--form--border--color);
 	border-top-color: var(--wp--custom--form--border--color);
 	-webkit-border-bottom-left-radius: 2px;
 	-webkit-border-bottom-right-radius: 2px;
@@ -1190,7 +1190,7 @@ article.state-unresolved:not(.status-private):before {
 }
 
 .rtl .sticky .o2-post:after {
-	left: 45px;
+	left: 60px;
 	right: initial;
 }
 
@@ -1526,8 +1526,8 @@ nav.o2-post-footer-actions div.jetpack-likes-widget-wrapper {
  * 404 Page
  */
 
-.error404 #nav-below {
-	border: none;
+body.error404 {
+	background-color: unset;
 }
 
 /*