HTML doesn't offer as clean a solution for vertical lines as it does for horizontal lines -- a vertical equivalent to the Set your image up within your text and add a "style" attribute tag. For ...

Almost all modern websites have images, and they're usually inserted into the page using the "img" tag. Within the "img" tag, a "src" attribute specifies the Web location, or URL, of the image.

Ryan Boudreaux includes all the code snippets you'll need in this demo of how to create an image hover-preview effect using HTML, CSS, and JavaScript.