Adding buttons:

1. From the left menu of the Editor, click Add.

2. Select Button.

3. You will be presented with two sets of button choices: Preset and Theme. Preset buttons are standard button choices available to all themes. Theme buttons are button choices that are optimized for the particular theme you are currently using. Select the desired button style you want to add to your webpage. Note: you can always edit the button text later. 

4. Drag and drop the button to the desired location on your web page. Click on the button to drop it at the desired position.

5. Drag the corners of the button to resize it to fit within the dimensions of the desired location.