data/geany-3.0.css

   1 /* make close button on the editor's tabs smaller */
   2 #geany-close-tab-button {
   3         -GtkWidget-focus-padding: 0;
   4         -GtkWidget-focus-line-width: 0;
   5         -GtkButton-default-border: 0;
   6         -GtkButton-default-outside-border: 0;
   7         -GtkButton-inner-border: 0;
   8 }