Return to the .button selector and add a background-image property with a linear-gradient(). This gradient starts with a semi-transparent white which fades out to the bottom. You will use sample content from Sagan Ipsum as filler copy to use with the styles. The first three load in the font, Museo Moderno, from Google Fonts, and the last one loads the styles you will add to styles.css. Set the height of each section element to 100vh The vh stands for viewport height, and sets each section to take up the full height of the browser window. CSS3 gradient background set on body doesn't stretch but instead repeats? button and the modal will now have a large, thin X shape instead of a close link, as rendered in the following image: Lastly, a :hover and :focus state is needed to help make the X shape more noticeable when it is the center of interaction. The following animation illustrates how the modal will appear and disappear: This section introduced you to the opacity property, which you used to visually hide a modal container. This worked for me so far. button so the modal activates. "to top". The .button class already has a change in the background-color between its selector and the .button:hover. This creates the fade-in effect. You can accomplish these effects with the opacity property, the transparent color name, or alpha channels, which are an extension of color values with an additional segment for controlling opacity. Cascading Style Sheets (CSS) is the styling language of the web, and is used to design and control the visual representation of Hypertext Markup Language (HTML) on a web page. With CSS, you can manage everything from font to layout to animations on your web page. Add the highlighted HTML from the following code block between the and closing tags: Save your changes to index.html, then return to styles.css in your text editor and append the highlighted CSS in the following code block to your file: The .modal-container class defines an area that will cover the full visible space with a fixed element. Change the opacity of the box and content, Changing the opacity of the background color only, From object to iframe other embedding technologies, HTML table advanced features and accessibility, What went wrong? A value of 0deg is equivalent to Visit Mozilla Corporations not-for-profit parent, the Mozilla Foundation.Portions of this content are 19982023 by individual mozilla.org contributors. Values for this property range from 0 to 1, with 0 being completely transparent and 1 being completely opaque. To demonstrate opacity transitions, lets look at a fade-in image transition. How about saving the world? That means anytime you use .bg-success now, your computed color value is rgba(25, 135, 84, 1).The local CSS variable inside each .bg-* class avoids inheritance issues so . The
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