diff --git a/lib/ui/fill.go b/lib/ui/fill.go
index 0ab4f74..13ad286 100644
--- a/lib/ui/fill.go
+++ b/lib/ui/fill.go
@@ -4,16 +4,19 @@ import (
 	"github.com/gdamore/tcell/v2"
 )
 
-type Fill rune
+type Fill struct {
+	Rune  rune
+	Style tcell.Style
+}
 
-func NewFill(f rune) Fill {
-	return Fill(f)
+func NewFill(f rune, s tcell.Style) Fill {
+	return Fill{f, s}
 }
 
 func (f Fill) Draw(ctx *Context) {
 	for x := 0; x < ctx.Width(); x += 1 {
 		for y := 0; y < ctx.Height(); y += 1 {
-			ctx.SetCell(x, y, rune(f), tcell.StyleDefault)
+			ctx.SetCell(x, y, f.Rune, f.Style)
 		}
 	}
 }
diff --git a/widgets/account-wizard.go b/widgets/account-wizard.go
index d8e2eb0..6402c0b 100644
--- a/widgets/account-wizard.go
+++ b/widgets/account-wizard.go
@@ -163,7 +163,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 		At(1, 0)
 	basics.AddChild(wizard.accountName).
 		At(2, 0)
-	basics.AddChild(ui.NewFill(' ')).
+	basics.AddChild(ui.NewFill(' ', tcell.StyleDefault)).
 		At(3, 0)
 	basics.AddChild(
 		ui.NewText("Full name for outgoing emails? (e.g. 'John Doe')",
@@ -171,7 +171,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 		At(4, 0)
 	basics.AddChild(wizard.fullName).
 		At(5, 0)
-	basics.AddChild(ui.NewFill(' ')).
+	basics.AddChild(ui.NewFill(' ', tcell.StyleDefault)).
 		At(6, 0)
 	basics.AddChild(
 		ui.NewText("Your email address? (e.g. 'john@example.org')",
@@ -238,7 +238,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 		At(1, 0)
 	incoming.AddChild(wizard.imapUsername).
 		At(2, 0)
-	incoming.AddChild(ui.NewFill(' ')).
+	incoming.AddChild(ui.NewFill(' ', tcell.StyleDefault)).
 		At(3, 0)
 	incoming.AddChild(
 		ui.NewText("Password",
@@ -246,7 +246,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 		At(4, 0)
 	incoming.AddChild(wizard.imapPassword).
 		At(5, 0)
-	incoming.AddChild(ui.NewFill(' ')).
+	incoming.AddChild(ui.NewFill(' ', tcell.StyleDefault)).
 		At(6, 0)
 	incoming.AddChild(
 		ui.NewText("Server address "+
@@ -255,7 +255,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 		At(7, 0)
 	incoming.AddChild(wizard.imapServer).
 		At(8, 0)
-	incoming.AddChild(ui.NewFill(' ')).
+	incoming.AddChild(ui.NewFill(' ', tcell.StyleDefault)).
 		At(9, 0)
 	incoming.AddChild(
 		ui.NewText("Connection mode",
@@ -279,7 +279,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 	incoming.AddChild(imapMode).At(11, 0)
 	selector = NewSelector([]string{"Previous", "Next"}, 1, conf.Ui).
 		OnChoose(wizard.advance)
-	incoming.AddChild(ui.NewFill(' ')).At(12, 0)
+	incoming.AddChild(ui.NewFill(' ', tcell.StyleDefault)).At(12, 0)
 	incoming.AddChild(wizard.imapStr).At(13, 0)
 	incoming.AddChild(selector).At(14, 0)
 	wizard.incoming = []ui.Interactive{
@@ -320,7 +320,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 		At(1, 0)
 	outgoing.AddChild(wizard.smtpUsername).
 		At(2, 0)
-	outgoing.AddChild(ui.NewFill(' ')).
+	outgoing.AddChild(ui.NewFill(' ', tcell.StyleDefault)).
 		At(3, 0)
 	outgoing.AddChild(
 		ui.NewText("Password",
@@ -328,7 +328,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 		At(4, 0)
 	outgoing.AddChild(wizard.smtpPassword).
 		At(5, 0)
-	outgoing.AddChild(ui.NewFill(' ')).
+	outgoing.AddChild(ui.NewFill(' ', tcell.StyleDefault)).
 		At(6, 0)
 	outgoing.AddChild(
 		ui.NewText("Server address "+
@@ -337,7 +337,7 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 		At(7, 0)
 	outgoing.AddChild(wizard.smtpServer).
 		At(8, 0)
-	outgoing.AddChild(ui.NewFill(' ')).
+	outgoing.AddChild(ui.NewFill(' ', tcell.StyleDefault)).
 		At(9, 0)
 	outgoing.AddChild(
 		ui.NewText("Connection mode",
@@ -361,9 +361,9 @@ func NewAccountWizard(conf *config.AercConfig, aerc *Aerc) *AccountWizard {
 	outgoing.AddChild(smtpMode).At(11, 0)
 	selector = NewSelector([]string{"Previous", "Next"}, 1, conf.Ui).
 		OnChoose(wizard.advance)
-	outgoing.AddChild(ui.NewFill(' ')).At(12, 0)
+	outgoing.AddChild(ui.NewFill(' ', tcell.StyleDefault)).At(12, 0)
 	outgoing.AddChild(wizard.smtpStr).At(13, 0)
-	outgoing.AddChild(ui.NewFill(' ')).At(14, 0)
+	outgoing.AddChild(ui.NewFill(' ', tcell.StyleDefault)).At(14, 0)
 	outgoing.AddChild(
 		ui.NewText("Copy sent messages to 'Sent' folder?",
 			conf.Ui.GetStyle(config.STYLE_HEADER))).At(15, 0)
diff --git a/widgets/aerc.go b/widgets/aerc.go
index 350e94e..7ee2c3b 100644
--- a/widgets/aerc.go
+++ b/widgets/aerc.go
@@ -230,8 +230,8 @@ func (aerc *Aerc) Event(event tcell.Event) bool {
 		aerc.statusline.Expire()
 		aerc.pendingKeys = append(aerc.pendingKeys, config.KeyStroke{
 			Modifiers: event.Modifiers(),
-			Key:  event.Key(),
-			Rune: event.Rune(),
+			Key:       event.Key(),
+			Rune:      event.Rune(),
 		})
 		aerc.statusline.Invalidate()
 		bindings := aerc.getBindings()
@@ -648,8 +648,8 @@ func errorScreen(s string, conf config.UIConfig) ui.Drawable {
 	}).Columns([]ui.GridSpec{
 		{ui.SIZE_WEIGHT, ui.Const(1)},
 	})
-	grid.AddChild(ui.NewFill(' ')).At(0, 0)
+	grid.AddChild(ui.NewFill(' ', tcell.StyleDefault)).At(0, 0)
 	grid.AddChild(text).At(1, 0)
-	grid.AddChild(ui.NewFill(' ')).At(2, 0)
+	grid.AddChild(ui.NewFill(' ', tcell.StyleDefault)).At(2, 0)
 	return grid
 }
diff --git a/widgets/compose.go b/widgets/compose.go
index 01c6281..f4320a1 100644
--- a/widgets/compose.go
+++ b/widgets/compose.go
@@ -678,9 +678,10 @@ func (c *Composer) updateGrid() {
 	if c.heditors != nil {
 		c.grid.RemoveChild(c.heditors)
 	}
+	borderStyle := c.config.Ui.GetStyle(config.STYLE_BORDER)
 	c.heditors = heditors
 	c.grid.AddChild(c.heditors).At(0, 0)
-	c.grid.AddChild(ui.NewFill(' ')).At(1, 0)
+	c.grid.AddChild(ui.NewFill(' ', borderStyle)).At(1, 0)
 }
 
 func (c *Composer) reloadEmail() error {
diff --git a/widgets/msgviewer.go b/widgets/msgviewer.go
index 5e88790..87deac4 100644
--- a/widgets/msgviewer.go
+++ b/widgets/msgviewer.go
@@ -105,13 +105,15 @@ func NewMessageViewer(acct *AccountView,
 		}
 	}
 
+	borderStyle := acct.UiConfig().GetStyle(config.STYLE_BORDER)
+
 	grid.AddChild(header).At(0, 0)
 	if msg.PGPDetails() != nil {
 		grid.AddChild(NewPGPInfo(msg.PGPDetails(), acct.UiConfig())).At(1, 0)
-		grid.AddChild(ui.NewFill(' ')).At(2, 0)
+		grid.AddChild(ui.NewFill(' ', borderStyle)).At(2, 0)
 		grid.AddChild(switcher).At(3, 0)
 	} else {
-		grid.AddChild(ui.NewFill(' ')).At(1, 0)
+		grid.AddChild(ui.NewFill(' ', borderStyle)).At(1, 0)
 		grid.AddChild(switcher).At(2, 0)
 	}