Video provides a powerful way to help you prove your point . When you click Online Video, you can paste in the embed code for the video you want to add. You can also type a keyword to search online for the video that best fits your document . To make your document look professionally produced, Word provides header, footer, cover page, and text box designs that complement each other. For example, you can add a matching cover page, header, and sidebar . Click Insert and then choose the elements you want from the different galleries . Themes and styles also help keep your document coordinated. When you click Design and choose a new Theme, the pictures, charts, and SmartArt graphics change to match your new theme. To make your document look professionally produced, Word provides · header, · footer, · cover page, and text box designs that complement each other.