Texto para indicar que hacer con los botones

screens/main/StateTime.js

     return(
       <TouchableWithoutFeedback style={styles.stdcontainer}>
         <ImageBackground style={styles.regcontainer} source={require('../../assets/yellow-white.jpg')}>
+          <Text style={styles.time_text}> Select the Start and End Time for the Appointment </Text>
         <Button style={styles.cenregbutton} title="8:00am" onPress={() => this.time_set(1,)}/>
         <Button style={styles.cenregbutton} title="9:00am" onPress={() => this.time_set(2,)}/>
         <Button style={styles.cenregbutton} title="10:00am" onPress={() => this.time_set(3,)}/>
         <Button style={styles.cenregbutton} title="12:00pm" onPress={() => this.time_set(5,)}/>
         <Button style={styles.cenregbutton} title="1:00pm" onPress={() => this.time_set(6,)}/>
         <Button style={styles.cenregbutton} title="2:00pm" onPress={() => this.time_set(7,)}/>
-        <Button style={styles.cenregbutton} title="Request Appointment" onPress={() => this.time_assignment()}/>
+        <Button style={styles.regbutton} title="Request Appointment" onPress={() => this.time_assignment()}/>
         </ImageBackground>
       </TouchableWithoutFeedback>
     );
-  }
-}
-