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-rw-r--r--devtools/client/inspector/markup/views/markup-container.js2
1 files changed, 2 insertions, 0 deletions
diff --git a/devtools/client/inspector/markup/views/markup-container.js b/devtools/client/inspector/markup/views/markup-container.js
index b54157242..44768b46c 100644
--- a/devtools/client/inspector/markup/views/markup-container.js
+++ b/devtools/client/inspector/markup/views/markup-container.js
@@ -211,10 +211,12 @@ MarkupContainer.prototype = {
}
if (this.showExpander) {
+ this.elt.classList.add("expandable");
this.expander.style.visibility = "visible";
// Update accessibility expanded state.
this.tagLine.setAttribute("aria-expanded", this.expanded);
} else {
+ this.elt.classList.remove("expandable");
this.expander.style.visibility = "hidden";
// No need for accessible expanded state indicator when expander is not
// shown.