1 files changed, 28 insertions, 0 deletions
diff --git a/assets/sass/@primer/css/utilities/details.scss b/assets/sass/@primer/css/utilities/details.scss
new file mode 100644
index 0000000..935bc05
--- /dev/null
+++ b/assets/sass/@primer/css/utilities/details.scss
@@ -0,0 +1,28 @@
+// stylelint-disable selector-max-type
+
+.details-overlay[open] > summary::before {
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 80;
+  display: block;
+  cursor: default;
+  content: " ";
+  background: transparent;
+}
+
+.details-overlay-dark[open] > summary::before {
+  z-index: 99;
+  background: $bg-black-fade;
+}
+
+.details-reset {
+  // Remove marker added by the display: list-item browser default
+  > summary { list-style: none; }
+  // Remove marker added by details polyfill
+  > summary::before { display: none; }
+  // Remove marker added by Chrome
+  > summary::-webkit-details-marker { display: none; }
+}