diff --git a/src/teletext/ui.py b/src/teletext/ui.py
index e324fa1..7147280 100644
--- a/src/teletext/ui.py
+++ b/src/teletext/ui.py
@@ -237,20 +237,47 @@ class MainWindow(QMainWindow):
 
         # New Background (0x1D)
         btn_new_bg = QPushButton("New BG")
+        btn_new_bg.setFixedSize(80, 30)
+        btn_new_bg.setStyleSheet("background-color: #CCCCCC; color: black; font-weight: bold; border: 1px solid #555; border-radius: 3px;")
         btn_new_bg.setToolTip("Sets the current foreground color as the new background color (0x1D)")
         btn_new_bg.clicked.connect(lambda: self.insert_char(0x1D))
         bg_layout.addWidget(btn_new_bg)
 
         # Black Background (0x1C)
         btn_black_bg = QPushButton("Black BG")
+        btn_black_bg.setFixedSize(80, 30)
+        btn_black_bg.setStyleSheet("background-color: black; color: white; font-weight: bold; border: 1px solid #555; border-radius: 3px;")
         btn_black_bg.setToolTip("Resets the background color to Black (0x1C)")
-        btn_black_bg.setStyleSheet("background-color: black; color: white;")
         btn_black_bg.clicked.connect(lambda: self.insert_char(0x1C))
         bg_layout.addWidget(btn_black_bg)
         
         bg_layout.addStretch()
         center_layout.addLayout(bg_layout)
 
+        # Graphics Control
+        gfx_ctrl_layout = QHBoxLayout()
+        gfx_ctrl_label = QLabel("Graphics Control:")
+        gfx_ctrl_layout.addWidget(gfx_ctrl_label)
+
+        # Hold Graphics (0x1E)
+        btn_hold = QPushButton("Hold Gfx")
+        btn_hold.setFixedSize(80, 30)
+        btn_hold.setStyleSheet("background-color: #CCCCCC; color: black; font-weight: bold; border: 1px solid #555; border-radius: 3px;")
+        btn_hold.setToolTip("Hold Graphics (0x1E): Displays the last graphic char in place of subsequent control codes.")
+        btn_hold.clicked.connect(lambda: self.insert_char(0x1E))
+        gfx_ctrl_layout.addWidget(btn_hold)
+
+        # Release Graphics (0x1F)
+        btn_release = QPushButton("Release Gfx")
+        btn_release.setFixedSize(90, 30)
+        btn_release.setStyleSheet("background-color: #CCCCCC; color: black; font-weight: bold; border: 1px solid #555; border-radius: 3px;")
+        btn_release.setToolTip("Release Graphics (0x1F): Ends the 'Hold Graphics' effect.")
+        btn_release.clicked.connect(lambda: self.insert_char(0x1F))
+        gfx_ctrl_layout.addWidget(btn_release)
+        
+        gfx_ctrl_layout.addStretch()
+        center_layout.addLayout(gfx_ctrl_layout)
+
         # Canvas
         self.canvas = TeletextCanvas()
         self.canvas.cursorChanged.connect(self.on_cursor_changed)