Adding upstream version 126.0.upstream/126.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 9 insertions, 3 deletions

diff --git a/layout/style/res/html.css b/layout/style/res/html.css
index ff58ecd4d1..18dd1c4855 100644
--- a/layout/style/res/html.css
+++ b/layout/style/res/html.css
@@ -765,7 +765,7 @@ video > .caption-box {
  * The pseudo element won't inherit CSS styles from its direct parent, `::cue`
  * would actually inherit styles from video because it's video's pseudo element.
  * Therefore, we have to explicitly set some styles which are already defined
- * in its parent element in vtt.jsm.
+ * in its parent element in vtt.sys.mjs.
  */
 ::cue {
   color: rgba(255, 255, 255, 1);
@@ -816,15 +816,21 @@ dialog::backdrop {
   background: rgba(0, 0, 0, 0.1);
 }
 
+/* https://html.spec.whatwg.org/#the-marquee-element-2 */
 marquee {
-  inline-size: -moz-available;
   display: inline-block;
+  text-align: initial;
+  overflow: hidden !important;
+
+  /* See https://github.com/whatwg/html/issues/10249 */
+  inline-size: -moz-available;
   vertical-align: text-bottom;
-  text-align: start;
+  white-space: nowrap;
 }
 
 marquee:is([direction="up"], [direction="down"]) {
   block-size: 200px;
+  white-space: unset;
 }
 
 /* Ruby */