Gallaugher LBD 7 Mini Project 1 - Just the Red Light Working for Button Press

Gallaugher LBD 7 Mini Project 1.ino

#define RED_PIN 3 // no need for equal. Don't use a semi-colon
#define BLUE_PIN 6
#define GREEN_PIN 5
#define RED_BUTTON 7
int buttonState = 0;

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(RED_PIN, OUTPUT);
  pinMode(BLUE_PIN, OUTPUT);
  pinMode(GREEN_PIN, OUTPUT);

  pinMode(RED_BUTTON, INPUT);
  Serial.begin(9600);
}

// the loop function runs over and over again forever
void loop() {
  buttonState = digitalRead(RED_BUTTON);

  if (buttonState == HIGH) {
    digitalWrite(RED_PIN, HIGH);
  } else {
    digitalWrite(RED_PIN, LOW);
  }
}