Usage of CSS transition-delay property

Use the transition-delay property to delay the transition effect with CSS. You can try to run the following code to set a 1 second delay of transition


Live Demo

<!DOCTYPE html>
         div {
            width: 150px;
            height: 150px;
            background: blue;
            transition: width 3s;
            transition-delay: 1s;
         div:hover {
            width: 250px;
      <h1>Heading One</h1>
      <p>Hover over the below box to change its width. It begins with a delay of 1 second.</p>