-.splitview-main > toolbar:-moz-locale-dir(ltr) {
- border-right: 1px solid #008484;
-}
-
-.splitview-main > toolbar:-moz-locale-dir(rtl) {
- border-left: 1px solid #008484;
+.splitview-main > toolbar,
+.loading .splitview-nav-container {
+ border-inline-end: 1px solid var(--theme-splitter-color);