[gnome-shell-sass] loginDialog: Apply CSS to sessionMenuButton according to mockups

[Florian Müllner <fmuellner src gnome org>]

commit d92752ce7682aeedb61050ed9dc41db8775f97a4
Author: Umang Jain <mailumangjain gmail com>
Date:   Tue Jan 28 23:22:30 2020 +0530

    loginDialog: Apply CSS to sessionMenuButton according to mockups
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/922

 widgets/_login-dialog.scss | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)
---
diff --git a/widgets/_login-dialog.scss b/widgets/_login-dialog.scss
index 31c7b0c..5613d96 100644
--- a/widgets/_login-dialog.scss
+++ b/widgets/_login-dialog.scss
@@ -69,7 +69,8 @@
     }
   }
 
-  .cancel-button {
+  .cancel-button,
+  .login-dialog-session-list-button {
     padding: 0;
     border-radius: 99px;
     width: $base_icon_size * 2;
@@ -162,13 +163,3 @@
   @include fontsize($base_font_size + 1);
   padding-top: 1em;
 }
-
-.login-dialog-session-list-button StIcon {
-  icon-size: 1.25em;
-}
-
-.login-dialog-session-list-button {
-  color: darken($osd_fg_color,30%);
-  &:hover,&:focus { color: $osd_fg_color; }
-  &:active { color: darken($osd_fg_color, 50%); }
-}