Ticket #38722: 38722.patch

src/wp-content/themes/twentyseventeen/assets/css/ie9.css

@@ +1 @@
+/*
+Theme Name: Twenty Seventeen
+Description: IE9 specific styles.
+*/
+
+.has-header-image.twentyseventeen-front-page .custom-header,
+.has-header-image.home.blog .custom-header {
+        height: 300px;
+}
+
+.has-header-image .custom-header-image img,
+.has-header-image .custom-header-image video,
+.has-header-image .custom-header-image iframe {
+        min-width: 100%;
+}
+
+@media screen and (min-width: 30em) {
+
+        .has-header-image.twentyseventeen-front-page .custom-header,
+        .has-header-image.home.blog .custom-header,
+        .twentyseventeen-front-page.has-header-image .custom-header-image,
+        .home.blog.has-header-image .custom-header-image,
+        .panel-image {
+                height: 700px;
+        }
+}
+
+@media screen and (min-width: 48em) {
+
+        .has-header-image.twentyseventeen-front-page .custom-header,
+        .has-header-image.home.blog .custom-header,
+        .twentyseventeen-front-page.has-header-image .custom-header-image,
+        .home.blog.has-header-image .custom-header-image,
+        .panel-image {
+                height: 1000px;
+        }
+}

src/wp-content/themes/twentyseventeen/functions.php

@@ -356 +356 @@
                 wp_enqueue_style( 'twentyseventeen-colors-dark', get_theme_file_uri( '/assets/css/colors-dark.css' ), array( 'twentyseventeen-style' ), '1.0' );
         }
 
+        // Load the Internet Explorer 9 specific stylesheet, to fix display issues in the Customizer.
+        if ( is_customize_preview() ) {
+                wp_enqueue_style( 'twentyseventeen-ie9', get_theme_file_uri( '/assets/css/ie9.css' ), array( 'twentyseventeen-style' ), '1.0' );
+                wp_style_add_data( 'twentyseventeen-ie9', 'conditional', 'IE 9' );
+        }
+
         // Load the Internet Explorer 8 specific stylesheet.
         wp_enqueue_style( 'twentyseventeen-ie8', get_theme_file_uri( '/assets/css/ie8.css' ), array( 'twentyseventeen-style' ), '1.0' );
         wp_style_add_data( 'twentyseventeen-ie8', 'conditional', 'lt IE 9' );