Toolbar: Prevent adminbar from hiding in-page anchors.

Use scroll-padding-top to offset scroll position on in-page anchors when adminbar is active. Also adjusts existing scroll padding for core themes that implement it.

Props afercia, kingkero, audrasjb, dufresnesteven, thimalw, sabernhardt, costdev.
Fixes #46371.

Built from https://develop.svn.wordpress.org/trunk@52198


git-svn-id: http://core.svn.wordpress.org/trunk@51790 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentyfourteen/rtl.css

@@ -166,10 +166,6 @@ td {
 	padding-left: 7px;
 }
 
-.entry-content p span[id^="more-"] {
-	float: right;
-}
-
 
 /**
  * 6.5 Galleries

wp-content/themes/twentyfourteen/style.css

@@ -95,6 +95,7 @@ html {
 	overflow-y: scroll;
 	-webkit-text-size-adjust: 100%;
 	-ms-text-size-adjust:     100%;
+	scroll-padding-top: calc( var(--wp-admin--admin-bar--height, 0px) + 48px );
 }
 
 body,
@@ -1304,10 +1305,6 @@ a.post-thumbnail:hover {
 	padding: 12px 10px 0;
 }
 
-.site-content .entry-content {
-	padding-top: 22px;
-}
-
 .page .entry-content {
 	padding-top: 0;
 }
@@ -1392,34 +1389,6 @@ a.post-thumbnail:hover {
 	white-space: nowrap;
 }
 
-.entry-content span[id^="more-"] {
-	display: block;
-	padding-top: 52px;
-	margin-top: -76px;
-}
-
-.admin-bar .entry-content span[id^="more-"] {
-	padding-top: 84px;
-	margin-top: -108px;
-}
-
-.entry-content span[id^="more-"] + blockquote,
-.entry-content span[id^="more-"] + div,
-.entry-content span[id^="more-"] + figure,
-.entry-content span[id^="more-"] + hr,
-.entry-content span[id^="more-"] + ol,
-.entry-content span[id^="more-"] + ul,
-.entry-content span[id^="more-"] + p,
-.entry-content span[id^="more-"] + pre {
-	margin-top: 24px;
-}
-
-.entry-content p span[id^="more-"] {
-	width: 1px;
-	height: 24px;
-	float: left;
-}
-
 /* Mediaelements */
 
 .hentry .mejs-container,

wp-content/themes/twentyseventeen/style.css

@@ -3382,6 +3382,9 @@ p > object:only-child {
 }
 
 @media screen and (min-width: 48em) {
+	html {
+		scroll-padding-top: calc( var(--wp-admin--admin-bar--height, 0px) + 72px );
+	}
 
 	/* Typography */
 

wp-content/themes/twentysixteen/style.css

@@ -2774,6 +2774,10 @@ p > video {
  */
 
 @media screen and (min-width: 44.375em) {
+	html {
+		scroll-padding-top: calc( var(--wp-admin--admin-bar--height, 0px) + 21px );
+	}
+
 	body:not(.custom-background-image):before,
 	body:not(.custom-background-image):after {
 		background: inherit;

wp-includes/css/admin-bar-rtl.css

@@ -1,6 +1,7 @@
 /*! This file is auto-generated */
 html {
 	--wp-admin--admin-bar--height: 32px;
+	scroll-padding-top: var(--wp-admin--admin-bar--height);
 }
 
 #wpadminbar * {

wp-includes/css/admin-bar.css

@@ -1,5 +1,6 @@
 html {
 	--wp-admin--admin-bar--height: 32px;
+	scroll-padding-top: var(--wp-admin--admin-bar--height);
 }
 
 #wpadminbar * {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-52197';
+$wp_version = '5.9-alpha-52198';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.