diff --git a/src/read-adaptive-window.c b/src/read-adaptive-window.c
index b078195..b7d9cb0 100644
--- a/src/read-adaptive-window.c
+++ b/src/read-adaptive-window.c
@@ -345,7 +345,7 @@ void GuiCreateAdaptiveReadWindow(GtkWidget *parent)
 
    Closure->readAdaptiveHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(Closure->readAdaptiveHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(Closure->readAdaptiveHeadline), 5, 0);
+   gtk_widget_set_margin_start(Closure->readAdaptiveHeadline, 5);
    gtk_label_set_ellipsize(GTK_LABEL(Closure->readAdaptiveHeadline), PANGO_ELLIPSIZE_END);
    gtk_box_pack_start(GTK_BOX(parent), Closure->readAdaptiveHeadline, FALSE, FALSE, 3);
 
diff --git a/src/read-linear-window.c b/src/read-linear-window.c
index 0f7d712..3bcb007 100644
--- a/src/read-linear-window.c
+++ b/src/read-linear-window.c
@@ -355,7 +355,7 @@ void GuiCreateLinearReadWindow(GtkWidget *parent)
 
    Closure->readLinearHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(Closure->readLinearHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(Closure->readLinearHeadline), 5, 0);
+   gtk_widget_set_margin_start(Closure->readLinearHeadline, 5);
    gtk_label_set_ellipsize(GTK_LABEL(Closure->readLinearHeadline), PANGO_ELLIPSIZE_END);
    gtk_box_pack_start(GTK_BOX(parent), Closure->readLinearHeadline, FALSE, FALSE, 3);
 
@@ -397,7 +397,7 @@ void GuiCreateLinearReadWindow(GtkWidget *parent)
 
    Closure->readLinearFootline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(Closure->readLinearFootline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(Closure->readLinearFootline), 5, 0);
+   gtk_widget_set_margin_start(Closure->readLinearFootline, 5);
    ignore = gtk_label_new("footer_tab");
    gtk_notebook_append_page(GTK_NOTEBOOK(notebook), Closure->readLinearFootline, ignore);
 
diff --git a/src/rs01-verify.c b/src/rs01-verify.c
index 203219f..46c91e5 100644
--- a/src/rs01-verify.c
+++ b/src/rs01-verify.c
@@ -178,7 +178,7 @@ void CreateRS01VerifyWindow(Method *self, GtkWidget *parent)
 
    wl->cmpHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->cmpHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->cmpHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->cmpHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->cmpHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
diff --git a/src/rs01-window.c b/src/rs01-window.c
index e7c864a..dbc497b 100644
--- a/src/rs01-window.c
+++ b/src/rs01-window.c
@@ -111,7 +111,7 @@ void CreateRS01EWindow(Method *method, GtkWidget *parent)
 
    wl->encHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->encHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->encHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
@@ -143,19 +143,19 @@ void CreateRS01EWindow(Method *method, GtkWidget *parent)
 
    wl->encFootline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encFootline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encFootline), 20, 0);
+   gtk_widget_set_margin_start(wl->encFootline, 20);
    gtk_box_pack_start(GTK_BOX(parent), wl->encFootline, FALSE, FALSE, 3);
 
    wl->encFootline2 = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encFootline2), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encFootline2), 20, 0);
+   gtk_widget_set_margin_start(wl->encFootline2, 20);
    gtk_box_pack_start(GTK_BOX(parent), wl->encFootline2, FALSE, FALSE, 3);
 
    hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
    gtk_box_pack_start(GTK_BOX(parent), hbox, FALSE, FALSE, 0);
 
    wid = gtk_label_new(NULL);
-   gtk_misc_set_padding(GTK_MISC(wid), 10, 0);
+   gtk_widget_set_margin_start(wid, 10);
    gtk_box_pack_start(GTK_BOX(hbox), wid, FALSE, FALSE, 0);
 
    wl->curveButton = gtk_button_new_with_label(_utf("Show reading speed curve"));
@@ -318,7 +318,7 @@ void CreateRS01FWindow(Method *method, GtkWidget *parent)
 
    wl->fixHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->fixHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->fixHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->fixHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->fixHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
@@ -355,7 +355,7 @@ void CreateRS01FWindow(Method *method, GtkWidget *parent)
 
    wl->fixFootline = gtk_label_new("Footline");
    gtk_label_set_xalign(GTK_LABEL(wl->fixFootline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->fixFootline), 5, 0);
+   gtk_widget_set_margin_start(wl->fixFootline, 5);
    ignore = gtk_label_new("footer_tab");
    gtk_notebook_append_page(GTK_NOTEBOOK(notebook), wl->fixFootline, ignore);
 
diff --git a/src/rs02-verify.c b/src/rs02-verify.c
index a8c8cc2..388bf06 100644
--- a/src/rs02-verify.c
+++ b/src/rs02-verify.c
@@ -168,7 +168,7 @@ void CreateRS02VerifyWindow(Method *self, GtkWidget *parent)
 
    wl->cmpHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->cmpHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->cmpHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->cmpHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->cmpHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
diff --git a/src/rs02-window.c b/src/rs02-window.c
index d639fd1..d6daf4e 100644
--- a/src/rs02-window.c
+++ b/src/rs02-window.c
@@ -60,7 +60,7 @@ void CreateRS02EncWindow(Method *method, GtkWidget *parent)
 
    wl->encHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->encHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->encHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
@@ -91,12 +91,12 @@ void CreateRS02EncWindow(Method *method, GtkWidget *parent)
 
    wl->encFootline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encFootline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encFootline), 20, 0);
+   gtk_widget_set_margin_start(wl->encFootline, 20);
    gtk_box_pack_start(GTK_BOX(parent), wl->encFootline, FALSE, FALSE, 3);
 
    wl->encFootline2 = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encFootline2), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encFootline2), 20, 0);
+   gtk_widget_set_margin_start(wl->encFootline2, 20);
    gtk_box_pack_start(GTK_BOX(parent), wl->encFootline2, FALSE, FALSE, 3);
 }
 
@@ -260,7 +260,7 @@ void CreateRS02FixWindow(Method *method, GtkWidget *parent)
 
    wl->fixHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->fixHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->fixHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->fixHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->fixHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
@@ -297,7 +297,7 @@ void CreateRS02FixWindow(Method *method, GtkWidget *parent)
 
    wl->fixFootline = gtk_label_new("Footline");
    gtk_label_set_xalign(GTK_LABEL(wl->fixFootline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->fixFootline), 5, 0);
+   gtk_widget_set_margin_start(wl->fixFootline, 5);
    ignore = gtk_label_new("footer_tab");
    gtk_notebook_append_page(GTK_NOTEBOOK(notebook), wl->fixFootline, ignore);
 
diff --git a/src/rs03-verify.c b/src/rs03-verify.c
index fd26dc7..9412064 100644
--- a/src/rs03-verify.c
+++ b/src/rs03-verify.c
@@ -179,7 +179,7 @@ void CreateRS03VerifyWindow(Method *self, GtkWidget *parent)
 
    wl->cmpHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->cmpHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->cmpHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->cmpHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->cmpHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
diff --git a/src/rs03-window.c b/src/rs03-window.c
index 419e6dc..3b210cf 100644
--- a/src/rs03-window.c
+++ b/src/rs03-window.c
@@ -64,7 +64,7 @@ void CreateRS03EncWindow(Method *method, GtkWidget *parent)
 
    wl->encHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->encHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->encHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
@@ -124,12 +124,12 @@ void CreateRS03EncWindow(Method *method, GtkWidget *parent)
 
    wl->encFootline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encFootline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encFootline), 20, 0);
+   gtk_widget_set_margin_start(wl->encFootline, 20);
    gtk_box_pack_start(GTK_BOX(parent), wl->encFootline, FALSE, FALSE, 3);
 
    wl->encFootline2 = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->encFootline2), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->encFootline2), 20, 0);
+   gtk_widget_set_margin_start(wl->encFootline2, 20);
    gtk_box_pack_start(GTK_BOX(parent), wl->encFootline2, FALSE, FALSE, 3);
 }
 
@@ -291,7 +291,7 @@ void CreateRS03FixWindow(Method *method, GtkWidget *parent)
 
    wl->fixHeadline = gtk_label_new(NULL);
    gtk_label_set_xalign(GTK_LABEL(wl->fixHeadline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->fixHeadline), 5, 0);
+   gtk_widget_set_margin_start(wl->fixHeadline, 5);
    gtk_box_pack_start(GTK_BOX(parent), wl->fixHeadline, FALSE, FALSE, 3);
 
    sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
@@ -328,7 +328,7 @@ void CreateRS03FixWindow(Method *method, GtkWidget *parent)
 
    wl->fixFootline = gtk_label_new("Footline");
    gtk_label_set_xalign(GTK_LABEL(wl->fixFootline), 0.0);
-   gtk_misc_set_padding(GTK_MISC(wl->fixFootline), 5, 0);
+   gtk_widget_set_margin_start(wl->fixFootline, 5);
    ignore = gtk_label_new("footer_tab");
    gtk_notebook_append_page(GTK_NOTEBOOK(notebook), wl->fixFootline, ignore);