Plugin install: Make sure h3's clear floats to avoid layout problems.

props SergeyBiryukov.
fixes #29465.

Built from https://develop.svn.wordpress.org/trunk@29676


git-svn-id: http://core.svn.wordpress.org/trunk@29451 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/list-tables-rtl.css

@@ -1227,6 +1227,10 @@ tr.active + tr.plugin-update-tr .plugin-update .update-message {
 	background-color: #fcf3ef;
 }
 
+.plugin-install-php h3 {
+	clear: both;
+}
+
 .plugin-install-php h4 {
 	margin: 2.5em 0 8px;
 }

wp-admin/css/list-tables.css

@@ -1227,6 +1227,10 @@ tr.active + tr.plugin-update-tr .plugin-update .update-message {
 	background-color: #fcf3ef;
 }
 
+.plugin-install-php h3 {
+	clear: both;
+}
+
 .plugin-install-php h4 {
 	margin: 2.5em 0 8px;
 }