Resolve #3386927 "Tb button details splitting"

Closes #3386927

css/base/fonts.css

+/*
+ * DO NOT EDIT THIS FILE.
+ * See the following change record for more information,
+ * https://www.drupal.org/node/3084859
+ * @preserve
+ */
+@font-face {
+  font-family: InterVariableFont;
+  src: url("../../fonts/Inter.var.woff2") format("woff2");
+  font-weight: 1 999;
+}