Bundled Themes: Twenty Nineteen dropcap appears higher than expected in Firefox.

Fixes the issue by adding moz specific top margin for the dropcap.

Props kjellr, joseph.dickson, maxpertici, samful.
Fixes #45876.
Built from https://develop.svn.wordpress.org/trunk@48047


git-svn-id: http://core.svn.wordpress.org/trunk@47814 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentynineteen/sass/blocks/_blocks.scss

@@ -339,6 +339,12 @@
 			line-height: 1;
 			font-weight: bold;
 			margin: 0 0.25em 0 0;
+
+			@-moz-document url-prefix()  {
+				& {
+					margin-top: 0.2em;
+				}
+			}
 		}
 	}
 

wp-content/themes/twentynineteen/style-editor.css

@@ -836,6 +836,12 @@ figcaption,
   margin: 0 0.25em 0 0;
 }
 
+@-moz-document url-prefix() {
+  .wp-block-paragraph.has-drop-cap:not(:focus)::first-letter {
+    margin-top: 0.2em;
+  }
+}
+
 /** === Table === */
 .wp-block-table {
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;

wp-content/themes/twentynineteen/style-editor.scss

@@ -236,6 +236,12 @@ figcaption,
 		line-height: 1;
 		font-weight: bold;
 		margin: 0 0.25em 0 0;
+
+		@-moz-document url-prefix()  {
+			& {
+				margin-top: 0.2em;
+			}
+		}
 	}
 }
 

wp-content/themes/twentynineteen/style.css

@@ -5651,6 +5651,12 @@ body.page .main-navigation {
   margin: 0 0.25em 0 0;
 }
 
+@-moz-document url-prefix() {
+  .entry .entry-content .has-drop-cap:not(:focus)::first-letter {
+    margin-top: 0.2em;
+  }
+}
+
 .entry .entry-content .wp-block-pullquote {
   border-color: transparent;
   border-width: 2px;

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-48046';
+$wp_version = '5.5-alpha-48047';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.