Add a decorative page border by going to the Art drop down menu. Choose the border you want to use by clicking on it. Preview how it will look on your page by looking at the Preview section. Choose a line style page border if you prefer by choosing an option from the Style menu.dd a decorative page border by going to the Art drop down menu. Choose the border you want to use by clicking on it. Preview how it will look on your page by looking at the Preview section. Choose a line style page border if you prefer by choosing an option from the Style menu.