Working on improving health and education, reducing inequality, and spurring economic growth? Give each of your section elements a background color. You can also check out The Main Difference Between CSS Animations & Transitions to learn more. These borders will use the same hexadecimal value, but will be given different values for the alpha channel. If youd like to set the opacity of an element without affecting its child elements, then you need to use the CSS shorthand background propertyand RGBA color values instead. Assessment: Fundamental CSS comprehension, Assessment: Creating fancy letterheaded paper, Assessment: Typesetting a community school homepage, Assessment: Fundamental layout comprehension, CSS Custom Properties for Cascading Variables, Web Content Accessibility Guidelines (WCAG), MDN Understanding WCAG, Guideline 1.4 explanations, Understanding Success Criterion 1.4.3 | W3C Understanding WCAG 2.0, CSS Backgrounds and Borders Module Level 3, Applying color to HTML elements using CSS. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, jquery: change background color when div reaches a certain height, jQuery or CSS changing and fading background-position on hover, Make a div fill the height of the remaining screen space. It starts fully transparent, transitioning to full color red: The repeating-linear-gradient() function is used to repeat linear gradients: Get certifiedby completinga course today! To begin working with alpha channel color values, open stlyes.css in your text editor. Whats unique about the RGB color model is that you can control the color of an element andthe opacity of that color. I'd like to have this fade out to show the default background (plain white) about half way down the window when first loading up a page, so it's more like a banner background. Not the answer you're looking for? Throughout this tutorial, you will use various ways to apply opacity and extra properties to effectively accomplish certain effects. Futuristic/dystopian short story about a man living in a hive society trying to meet his dying mother, tar command with and without --absolute-names option, Short story about swapping bodies as a job; the person who hires the main character misuses his body. But beware: The opacity property not only makes the styled element transparent it also makes its child elements transparent. The opacity property is an older property that allows translucency to be placed on an element and its contents. Set the opacity level for a