--- gui-cocoa/screen.m
+++ gui-cocoa/screen.m
@@ -326,7 +326,8 @@
 	const NSWindowStyleMask Winstyle = NSWindowStyleMaskTitled
 		| NSWindowStyleMaskClosable
 		| NSWindowStyleMaskMiniaturizable
-		| NSWindowStyleMaskResizable;
+		| NSWindowStyleMaskResizable
+		| NSWindowStyleMaskFullSizeContentView;
 
 	NSRect r = [[NSScreen mainScreen] visibleFrame];
 
@@ -344,7 +345,13 @@
 	[_window setRestorable:NO];
 	[_window setAcceptsMouseMovedEvents:YES];
 	[_window setDelegate:self];
+	[_window setTitleVisibility:NSWindowTitleHidden];
+	[_window setTitlebarAppearsTransparent:YES];
 
+	[[_window standardWindowButton:NSWindowCloseButton] setHidden:YES];
+	[[_window standardWindowButton:NSWindowMiniaturizeButton] setHidden:YES];
+	[[_window standardWindowButton:NSWindowZoomButton] setHidden:YES];
+
 	myview = [DrawtermView new];
 	[_window setContentView:myview];