Merge pull request #10756 from overleaf/jel-cms-video

[web] Fix Safari video border bug

GitOrigin-RevId: dae2700c17dc0340a55b5ab6aff85d85d7e1dc65

services/web/frontend/stylesheets/core/page.less

@@ -16,4 +16,8 @@
     background-color: @blue-10;
     border-radius: 24px;
   }
+
+  video {
+    clip-path: inset(0 0); // fix Safari bug that will sometimes add border
+  }
 }