diff --git a/src/gnome-search/dialog-search.c b/src/gnome-search/dialog-search.c
index 8e91da2ea2..294eda7be9 100644
--- a/src/gnome-search/dialog-search.c
+++ b/src/gnome-search/dialog-search.c
@@ -1157,6 +1157,9 @@ gnc_search_dialog_init_widgets (GNCSearchWindow *sw, const gchar *title)
     gtk_window_set_title(GTK_WINDOW(sw->dialog), title);
     g_object_set_data (G_OBJECT (sw->dialog), "dialog-info", sw);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(sw->dialog), "GncSearchDialog");
+
     /* Grab the result hbox */
     sw->result_hbox = GTK_WIDGET(gtk_builder_get_object (builder, "result_hbox"));
 
diff --git a/src/gnome/assistant-acct-period.c b/src/gnome/assistant-acct-period.c
index 0357a14acd..9190119b66 100644
--- a/src/gnome/assistant-acct-period.c
+++ b/src/gnome/assistant-acct-period.c
@@ -545,6 +545,9 @@ ap_assistant_create (AcctPeriodInfo *info)
     window = GTK_WIDGET(gtk_builder_get_object (builder, "account_period_assistant"));
     info->window = window;
 
+    // Set the style context for this assistant so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(window), "GncAssistAccountPeriod");
+
     /* Enable all pages except menu page. */
     gtk_assistant_set_page_complete (GTK_ASSISTANT (window),
                                      GTK_WIDGET(gtk_builder_get_object(builder, "start_page")),
diff --git a/src/gnome/assistant-hierarchy.c b/src/gnome/assistant-hierarchy.c
index aeca85869a..abab75adfb 100644
--- a/src/gnome/assistant-hierarchy.c
+++ b/src/gnome/assistant-hierarchy.c
@@ -1201,6 +1201,9 @@ gnc_create_hierarchy_assistant (gboolean use_defaults, GncHierarchyAssistantFini
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "hierarchy_assistant"));
     data->dialog = dialog;
 
+    // Set the style context for this assistant so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncAssistAccountHierarchy");
+
     /* If we have a callback, make this window stay on top */
     if (when_completed != NULL)
         gtk_window_set_keep_above (GTK_WINDOW(data->dialog), TRUE);
diff --git a/src/gnome/assistant-loan.c b/src/gnome/assistant-loan.c
index 668c2fc96a..af871fa6c5 100644
--- a/src/gnome/assistant-loan.c
+++ b/src/gnome/assistant-loan.c
@@ -464,6 +464,9 @@ gnc_loan_assistant_create( LoanAssistantData *ldd )
     window = GTK_WIDGET(gtk_builder_get_object (builder, "loan_mortgage_assistant"));
     ldd->window = window;
 
+    // Set the style context for this assistant so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(window), "GncAssistLoan");
+
     /* Enable buttons on complete pages. */
     gtk_assistant_set_page_complete (GTK_ASSISTANT (window),
                                      GTK_WIDGET(gtk_builder_get_object(builder, "loan_intro_page")),
diff --git a/src/gnome/assistant-stock-split.c b/src/gnome/assistant-stock-split.c
index b583805aae..640f1fd21d 100644
--- a/src/gnome/assistant-stock-split.c
+++ b/src/gnome/assistant-stock-split.c
@@ -538,6 +538,9 @@ gnc_stock_split_assistant_create (StockSplitInfo *info)
     window = GTK_WIDGET(gtk_builder_get_object (builder, "stock_split_assistant"));
     info->window = window;
 
+    // Set the style context for this assistant so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(window), "GncAssistStockSplit");
+
     /* Enable buttons on first, second, fourth and last page. */
     gtk_assistant_set_page_complete (GTK_ASSISTANT (window),
                                      GTK_WIDGET(gtk_builder_get_object(builder, "intro_page_label")),
diff --git a/src/gnome/dialog-commodities.c b/src/gnome/dialog-commodities.c
index 3d47193f69..e04003b0d6 100644
--- a/src/gnome/dialog-commodities.c
+++ b/src/gnome/dialog-commodities.c
@@ -323,6 +323,9 @@ gnc_commodities_dialog_create (GtkWidget * parent, CommoditiesDialog *cd)
     cd->book = qof_session_get_book(cd->session);
     cd->show_currencies = gnc_prefs_get_bool(GNC_PREFS_GROUP, GNC_PREF_INCL_ISO);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(cd->dialog), "GncCommoditiesDialog");
+
     gtk_builder_connect_signals(builder, cd);
 
     /* parent */
diff --git a/src/gnome/dialog-fincalc.c b/src/gnome/dialog-fincalc.c
index 2cbe10d159..fe6a3c1633 100644
--- a/src/gnome/dialog-fincalc.c
+++ b/src/gnome/dialog-fincalc.c
@@ -572,6 +572,9 @@ gnc_ui_fincalc_dialog_create(void)
 
     fcd->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "financial_calculator_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(fcd->dialog), "GncFinCalcDialog");
+
     gnc_register_gui_component (DIALOG_FINCALC_CM_CLASS,
                                 NULL, close_handler, fcd);
 
diff --git a/src/gnome/dialog-find-account.c b/src/gnome/dialog-find-account.c
index f247e66dbb..4c0e2891d0 100644
--- a/src/gnome/dialog-find-account.c
+++ b/src/gnome/dialog-find-account.c
@@ -270,6 +270,9 @@ gnc_find_account_dialog_create (GtkWidget *parent, FindAccountDialog *facc_dialo
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "find_account_dialog"));
     facc_dialog->dialog = dialog;
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncFindAccountDialog");
+
     facc_dialog->session = gnc_get_current_session();
 
     /* parent */
diff --git a/src/gnome/dialog-find-transactions.c b/src/gnome/dialog-find-transactions.c
index 8969d47550..cbd721a947 100644
--- a/src/gnome/dialog-find-transactions.c
+++ b/src/gnome/dialog-find-transactions.c
@@ -35,6 +35,7 @@
 #include "gnc-main-window.h"
 #include "gnc-plugin-page-register.h"
 #include "search-param.h"
+#include "dialog-utils.h"
 
 #define GNC_PREFS_GROUP_SEARCH "dialogs.find"
 
@@ -225,6 +226,9 @@ gnc_ui_find_transactions_dialog_create(GNCLedgerDisplay * orig_ledg)
                                         NULL, do_find_cb, NULL,
                                         ftd, free_ftd_cb, GNC_PREFS_GROUP_SEARCH, NULL);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(ftd->sw), "GncFindTransDialog");
+
     if (!ftd->sw)
     {
         free_ftd_cb (ftd);
diff --git a/src/gnome/dialog-find-transactions2.c b/src/gnome/dialog-find-transactions2.c
index bd7749b93f..f4e255ba28 100644
--- a/src/gnome/dialog-find-transactions2.c
+++ b/src/gnome/dialog-find-transactions2.c
@@ -35,6 +35,7 @@
 #include "gnc-main-window.h"
 #include "gnc-plugin-page-register2.h"
 #include "search-param.h"
+#include "dialog-utils.h"
 
 #define GNC_PREFS_GROUP_SEARCH "dialogs.find"
 
@@ -226,6 +227,9 @@ gnc_ui_find_transactions_dialog_create2 (GNCLedgerDisplay2 * orig_ledg)
                                         NULL, do_find_cb, NULL,
                                         ftd, free_ftd_cb, GNC_PREFS_GROUP_SEARCH, NULL);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(ftd->sw), "GncFindTransDialog");
+
     if (!ftd->sw)
     {
         free_ftd_cb (ftd);
diff --git a/src/gnome/dialog-imap-editor.c b/src/gnome/dialog-imap-editor.c
index b1236c1f35..6070ce8043 100644
--- a/src/gnome/dialog-imap-editor.c
+++ b/src/gnome/dialog-imap-editor.c
@@ -651,6 +651,9 @@ gnc_imap_dialog_create (GtkWidget *parent, ImapDialog *imap_dialog)
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "import_map_dialog"));
     imap_dialog->dialog = dialog;
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncImapDialog");
+
     imap_dialog->session = gnc_get_current_session();
     imap_dialog->type = BAYES;
 
diff --git a/src/gnome/dialog-lot-viewer.c b/src/gnome/dialog-lot-viewer.c
index da85377a5d..628801be3d 100644
--- a/src/gnome/dialog-lot-viewer.c
+++ b/src/gnome/dialog-lot-viewer.c
@@ -991,6 +991,9 @@ lv_create (GNCLotViewer *lv)
 
     lv->window = GTK_WIDGET(gtk_builder_get_object (builder, "lot_viewer_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(lv->window), "GncLotViewerDialog");
+
     win_title = g_strdup_printf (_("Lots in Account %s"),
                                  xaccAccountGetName(lv->account));
     gtk_window_set_title (GTK_WINDOW (lv->window), win_title);
diff --git a/src/gnome/dialog-new-user.c b/src/gnome/dialog-new-user.c
index aa839fd6aa..52075cef13 100644
--- a/src/gnome/dialog-new-user.c
+++ b/src/gnome/dialog-new-user.c
@@ -86,6 +86,9 @@ gnc_ui_new_user_dialog (void)
 
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "new_user_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncNewUserDialog");
+
     new_accounts_button = GTK_WIDGET(gtk_builder_get_object (builder, "new_accounts_button"));
     import_qif_button = GTK_WIDGET(gtk_builder_get_object (builder, "import_qif_button"));
     tutorial_button = GTK_WIDGET(gtk_builder_get_object (builder, "tutorial_button"));
diff --git a/src/gnome/dialog-price-edit-db.c b/src/gnome/dialog-price-edit-db.c
index 5d0373f91f..c0bade96e2 100644
--- a/src/gnome/dialog-price-edit-db.c
+++ b/src/gnome/dialog-price-edit-db.c
@@ -430,6 +430,9 @@ gnc_prices_dialog_create (GtkWidget * parent, PricesDialog *pdb_dialog)
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "prices_dialog"));
     pdb_dialog->dialog = dialog;
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncPriceEditDialog");
+
     pdb_dialog->session = gnc_get_current_session();
     pdb_dialog->book = qof_session_get_book(pdb_dialog->session);
     pdb_dialog->price_db = gnc_pricedb_get_db(pdb_dialog->book);
diff --git a/src/gnome/dialog-print-check.c b/src/gnome/dialog-print-check.c
index 5e07851185..15d6d1135f 100644
--- a/src/gnome/dialog-print-check.c
+++ b/src/gnome/dialog-print-check.c
@@ -1649,6 +1649,9 @@ gnc_ui_print_check_dialog_create(GtkWidget *parent,
     pcd->builder = builder;
     pcd->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "print_check_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(pcd->dialog), "GncPrintCheckDialog");
+
     /* now pick out the relevant child widgets */
     pcd->format_combobox = GTK_WIDGET(gtk_builder_get_object (builder, "check_format_combobox"));
     pcd->position_combobox = GTK_WIDGET(gtk_builder_get_object (builder, "check_position_combobox"));
diff --git a/src/gnome/dialog-progress.c b/src/gnome/dialog-progress.c
index 528259a8ff..843d12971c 100644
--- a/src/gnome/dialog-progress.c
+++ b/src/gnome/dialog-progress.c
@@ -207,6 +207,9 @@ gnc_progress_dialog_create(GtkWidget * parent, GNCProgressDialog *progress)
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "progress_dialog"));
     progress->dialog = dialog;
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncProgressDialog");
+
     /* parent */
     if (parent != NULL)
         gtk_window_set_transient_for(GTK_WINDOW(dialog), GTK_WINDOW(parent));
diff --git a/src/gnome/dialog-sx-editor.c b/src/gnome/dialog-sx-editor.c
index 52025bd8dc..d5d9107657 100644
--- a/src/gnome/dialog-sx-editor.c
+++ b/src/gnome/dialog-sx-editor.c
@@ -1195,6 +1195,9 @@ gnc_ui_scheduled_xaction_editor_dialog_create (SchedXaction *sx,
     sxed->endCountSpin = GTK_ENTRY(gtk_builder_get_object (builder, "end_spin"));
     sxed->endRemainSpin = GTK_ENTRY(gtk_builder_get_object (builder, "remain_spin"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(sxed->dialog), "GncSxEditorDialog");
+
     /* Setup the end-date GNC widget */
     {
         GtkWidget *endDateBox = GTK_WIDGET(gtk_builder_get_object (builder, "editor_end_date_box"));
diff --git a/src/gnome/dialog-sx-editor2.c b/src/gnome/dialog-sx-editor2.c
index 18e1f87ada..32cabe89e7 100644
--- a/src/gnome/dialog-sx-editor2.c
+++ b/src/gnome/dialog-sx-editor2.c
@@ -1165,6 +1165,9 @@ gnc_ui_scheduled_xaction_editor_dialog_create2 (SchedXaction *sx,
     sxed->endCountSpin = GTK_ENTRY (gtk_builder_get_object (builder, "end_spin"));
     sxed->endRemainSpin = GTK_ENTRY (gtk_builder_get_object (builder, "remain_spin"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(sxed->dialog), "GncSxEditorDialog");
+
     /* Setup the end-date GNC widget */
     {
         GtkWidget *endDateBox = GTK_WIDGET(gtk_builder_get_object (builder, "editor_end_date_box"));
diff --git a/src/gnome/dialog-sx-from-trans.c b/src/gnome/dialog-sx-from-trans.c
index 3e0666d559..5c6a93cb6b 100644
--- a/src/gnome/dialog-sx-from-trans.c
+++ b/src/gnome/dialog-sx-from-trans.c
@@ -769,6 +769,9 @@ gnc_sx_create_from_trans( Transaction *trans )
     gnc_builder_add_from_file  (builder , "dialog-sx.glade", "sx_from_real_trans_dialog");
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "sx_from_real_trans_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncSxFromTransDialog");
+
     sxfti->builder = builder;
     sxfti->dialog = dialog;
     sxfti->trans = trans;
diff --git a/src/gnome/dialog-sx-since-last-run.c b/src/gnome/dialog-sx-since-last-run.c
index 5795ed78a4..5b6a5c3e16 100644
--- a/src/gnome/dialog-sx-since-last-run.c
+++ b/src/gnome/dialog-sx-since-last-run.c
@@ -971,6 +971,9 @@ gnc_ui_sx_since_last_run_dialog(GncSxInstanceModel *sx_instances, GList *auto_cr
 
     dialog->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "since_last_run_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog->dialog), "GncSxSinceLastRunDialog");
+
     dialog->editing_model = gnc_sx_slr_tree_model_adapter_new(sx_instances);
     dialog->review_created_txns_toggle = GTK_TOGGLE_BUTTON(gtk_builder_get_object (builder, "review_txn_toggle"));
 
diff --git a/src/gnome/dialog-tax-info.c b/src/gnome/dialog-tax-info.c
index 9d5ad76cda..4f04c4e73c 100644
--- a/src/gnome/dialog-tax-info.c
+++ b/src/gnome/dialog-tax-info.c
@@ -1280,6 +1280,9 @@ gnc_tax_info_dialog_create (GtkWidget * parent, TaxInfoDialog *ti_dialog)
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "tax_information_dialog"));
     ti_dialog->dialog = dialog;
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncTaxInfoDialog");
+
     initialize_getters ();
 
     g_signal_connect (G_OBJECT (dialog), "response",
diff --git a/src/gnome/dialog-trans-assoc.c b/src/gnome/dialog-trans-assoc.c
index dc087a9c37..9c752bf4dd 100644
--- a/src/gnome/dialog-trans-assoc.c
+++ b/src/gnome/dialog-trans-assoc.c
@@ -392,6 +392,9 @@ gnc_assoc_dialog_create (AssocDialog *assoc_dialog)
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "transaction_association_dialog"));
     assoc_dialog->dialog = dialog;
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncTransAssocDialog");
+
     assoc_dialog->view = GTK_WIDGET(gtk_builder_get_object (builder, "treeview"));
     path_head = GTK_WIDGET(gtk_builder_get_object (builder, "path-head"));
 
diff --git a/src/gnome/gnc-budget-view.c b/src/gnome/gnc-budget-view.c
index 0952ba7a0b..3b1df98fe5 100644
--- a/src/gnome/gnc-budget-view.c
+++ b/src/gnome/gnc-budget-view.c
@@ -332,6 +332,9 @@ gbv_create_widget(GncBudgetView *view)
     gtk_widget_show(GTK_WIDGET(vbox));
     gtk_box_set_homogeneous(GTK_BOX(vbox), FALSE);
 
+    // Set the style context for this page so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(vbox), "GncBudgetPage");
+
     scrolled_window = gtk_scrolled_window_new(NULL, NULL);
     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
                                    GTK_POLICY_AUTOMATIC,
diff --git a/src/gnome/gnc-plugin-page-account-tree.c b/src/gnome/gnc-plugin-page-account-tree.c
index 88cddbdc97..6ff83e7172 100644
--- a/src/gnome/gnc-plugin-page-account-tree.c
+++ b/src/gnome/gnc-plugin-page-account-tree.c
@@ -636,6 +636,9 @@ gnc_plugin_page_account_tree_create_widget (GncPluginPage *plugin_page)
     gtk_box_set_homogeneous (GTK_BOX (priv->widget), FALSE);
     gtk_widget_show (priv->widget);
 
+    // Set the style context for this page so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(priv->widget), "GncAccountPage");
+
     scrolled_window = gtk_scrolled_window_new (NULL, NULL);
     gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                     GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
diff --git a/src/gnome/gnc-plugin-page-register.c b/src/gnome/gnc-plugin-page-register.c
index 519f64759f..97f7e16a64 100644
--- a/src/gnome/gnc-plugin-page-register.c
+++ b/src/gnome/gnc-plugin-page-register.c
@@ -1085,6 +1085,9 @@ gnc_plugin_page_register_create_widget (GncPluginPage *plugin_page)
     gtk_box_set_homogeneous (GTK_BOX (priv->widget), FALSE);
     gtk_widget_show (priv->widget);
 
+    // Set the style context for this page so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(priv->widget), "GncRegisterPage");
+
     numRows = priv->lines_default;
     numRows = MIN(numRows, DEFAULT_LINES_AMOUNT);
 
diff --git a/src/gnome/gnc-plugin-page-register2.c b/src/gnome/gnc-plugin-page-register2.c
index fbc414c188..89ad533335 100644
--- a/src/gnome/gnc-plugin-page-register2.c
+++ b/src/gnome/gnc-plugin-page-register2.c
@@ -1095,6 +1095,9 @@ gnc_plugin_page_register2_create_widget (GncPluginPage *plugin_page)
     gtk_box_set_homogeneous (GTK_BOX (priv->widget), FALSE);
     gtk_widget_show (priv->widget);
 
+    // Set the style context for this page so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(priv->widget), "GncRegisterPage");
+
     numRows = priv->lines_default;
     numRows = MIN (numRows, DEFAULT_LINES_AMOUNT);
 
diff --git a/src/gnome/gnc-plugin-page-sx-list.c b/src/gnome/gnc-plugin-page-sx-list.c
index c410e242f5..dfeffd2d47 100644
--- a/src/gnome/gnc-plugin-page-sx-list.c
+++ b/src/gnome/gnc-plugin-page-sx-list.c
@@ -371,6 +371,9 @@ gnc_plugin_page_sx_list_create_widget (GncPluginPage *plugin_page)
     priv->widget = widget;
     gtk_widget_show (priv->widget);
 
+    // Set the style context for this page so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(priv->widget), "GncSxPage");
+
     /* Add vbox and label */
     vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
     gtk_box_set_homogeneous (GTK_BOX (vbox), FALSE);
diff --git a/src/gnome/window-autoclear.c b/src/gnome/window-autoclear.c
index 2b977f8ebb..fc7c2868a1 100644
--- a/src/gnome/window-autoclear.c
+++ b/src/gnome/window-autoclear.c
@@ -314,6 +314,9 @@ autoClearWindow (GtkWidget *parent, Account *account)
     gtk_window_set_title(GTK_WINDOW(data->window), title);
     g_free (title);
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(data->window), "GncAutoClearDialog");
+
     /* Add amount edit box */
     data->end_value = GNC_AMOUNT_EDIT(gnc_amount_edit_new());
     g_signal_connect(GTK_WIDGET(data->end_value), "activate",
diff --git a/src/gnome/window-reconcile.c b/src/gnome/window-reconcile.c
index 7bece1d4b4..d6b6c66c06 100644
--- a/src/gnome/window-reconcile.c
+++ b/src/gnome/window-reconcile.c
@@ -732,6 +732,9 @@ startRecnWindow(GtkWidget *parent, Account *account,
 
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "reconcile_start_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncReconcileDialog");
+
     title = gnc_recn_make_window_name (account);
     gtk_window_set_title(GTK_WINDOW(dialog), title);
     g_free (title);
diff --git a/src/gnome/window-reconcile2.c b/src/gnome/window-reconcile2.c
index 4ad5af5b30..5f5409c397 100644
--- a/src/gnome/window-reconcile2.c
+++ b/src/gnome/window-reconcile2.c
@@ -695,6 +695,9 @@ startRecnWindow (GtkWidget *parent, Account *account,
 
     dialog = GTK_WIDGET(gtk_builder_get_object (builder, "reconcile_start_dialog"));
 
+    // Set the style context for this dialog so it can be easily manipulated with css
+    gnc_widget_set_style_context (GTK_WIDGET(dialog), "GncReconcileDialog");
+
     title = gnc_recn_make_window_name (account);
     gtk_window_set_title (GTK_WINDOW (dialog), title);
     g_free (title);