gnome-shell/data/theme/gnome-shell-sass/widgets/_end-session-dialog.scss

/* End Session Dialog */

$end_session_dialog_width: 28em;

.end-session-dialog {
  spacing: $base_spacing;
  border: 1px solid $bubble_borders_color;
}

.end-session-dialog-list {
  padding-top: 20px;
}

.end-session-dialog-layout {
  padding-left: 17px;
  &:rtl { padding-right: 17px; }
}

.end-session-dialog-description {
  width: $end_session_dialog_width;
  padding-bottom: 10px;
  &:rtl {
    text-align: right;
  }
}

.end-session-dialog-battery-warning {
  width: $end_session_dialog_width;
  color: $warning_color;
  padding-top: 6px;
  &:rtl {
    text-align: right;
  }
}

// user profile picture
.end-session-dialog-logout-icon {
  border-radius: 99px;
  width: $base_icon_size * 3;
  height: $base_icon_size * 3;
  background-size: contain;
}

.end-session-dialog-shutdown-icon {
  color: $fg_color;
  width: $base_icon_size * 3;
  height: $base_icon_size * 3;
}

.end-session-dialog-inhibitor-layout {
  spacing: $base_spacing * 4;
  max-height: 200px;
  padding-right: 65px;
  padding-left: 65px;
}

.end-session-dialog-session-list,
.end-session-dialog-app-list {
  spacing: 1em;
}

.end-session-dialog-list-header {
  font-weight: bold;
  &:rtl { text-align: right; }
}

.end-session-dialog-app-list-item,
.end-session-dialog-session-list-item {
  spacing: 1em;
}

.end-session-dialog-app-list-item-name,
.end-session-dialog-session-list-item-name {
  font-weight: bold;
}

.end-session-dialog-app-list-item-description {
  color: darken($fg_color,5%);
  @include fontsize($base_font_size - 1);
}