Added frame to the VN Textbox

include/dawn/ui/frame.h

@@ -11,10 +11,11 @@
 #include "../display/gui/font.h"
 
 #define FRAME_BORDER_SIZE 16
+#define FRAME_BORDER_SIZE_FULL FRAME_BORDER_SIZE * 2
 #define FRAME_PRIMITIVE_COUNT 9
 
 typedef struct {
-  float x, y, z;
+  float x, y;
   texture_t *texture;
   primitive_t primitive;
 } frame_t;