 // Create settings page buttons
 
 /*for ECGMin value*/
-Button ECGPlus = Button(100,70,18,18,ILI9341_BLACK,true,&tft);
-Button ECGMinus = Button(30,70,18,18,ILI9341_BLACK,true,&tft);
+Button ECGPlus = Button(100,67,18,25,ILI9341_RED,true,&tft);
+Button ECGMinus = Button(30,67,18,25,ILI9341_RED,true,&tft);
 /*for ECGMax value*/
-Button ECGPlus1 = Button(250,70,18,18,ILI9341_BLACK,true,&tft);
-Button ECGMinus1 = Button(180,70,18,18,ILI9341_BLACK,true,&tft);
+Button ECGPlus1 = Button(250,67,18,25,ILI9341_RED,true,&tft);
+Button ECGMinus1 = Button(180,67,18,25,ILI9341_RED,true,&tft);
 
 
 Button SP02Plus = Button(30,120,18,18,ILI9341_WHITE,true,&tft);

  /*main screen*/
  if (currentMode == HOMESCREEN){
    MainScreenInit();
    while (currentMode == HOMESCREEN){
  		if (display_count >= 10) {
    		ecg.display_signal();

  createHLabel(104, 72, "+", 2, ILI9341_WHITE);
  
  /* MAXIMUM VALUE */
  tft.fillRect(202, 67, 45, 25, ILI9341_LIGHTGREY);
  tft.setCursor(213, 72);
  tft.setTextSize(2);
  tft.setTextColor(ILI9341_BLACK);
  tft.printf("%d", DEFAULT_ECG_MAX + biasECGMax);
  
  ECGPlus1.draw();
