In this first section, you will set up the HTML for the visual styles you will write throughout the tutorial.
#TRANSPARENT BRIGHTNESS SLIDER NOTIFICATION BAR HOW TO#
If you’re new to HTML, try out the whole How To Build a Website in HTML series. To get started, check out our How To Set Up Your HTML Project tutorial, and follow How To Use and Understand HTML Elements for instructions on how to view your HTML in your browser.
An empty HTML file saved on your local machine as index.html that you can access from your text editor and web browser of choice. Experience with the box-shadow property, which you can learn more about in How To Style the Edges of HTML Elements with Borders, Shadows, and Outlines in CSS. Check out How To Apply Background Styles to HTML Elements with CSS to gain experience creating gradient backgrounds. Knowledge of CSS gradients with the background properties. See How To Use Color Values with CSS to learn more about working with color in CSS. Knowledge of type selectors, combinator selectors, and selector groups, which you can find in How To Select HTML Elements to Style with CSS. An understanding of CSS’s cascade and specificity features, which you can get by reading How To Apply CSS Styles to HTML with Cascade and Specificity. You will also use the transparent color value to help make a gradient animate colors on a :hover event. Then you will use each of the alpha channel color values to create shadow, border, and content overlays. You will create a modal that appears with a no-JavaScript approach using the :target pseudo class and the opacity, pointer-events, and transition properties. Throughout this tutorial, you will use various ways to apply opacity and extra properties to effectively accomplish certain effects. 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. Opacity can help soften a shadow, de-emphasize non-essential content during a specific task, or fade content in or out of view. 
When styling HTML with CSS, there are multiple ways to adjust the opacity of elements, and multiple reasons to employ this effect in a design. The author selected the Diversity in Tech Fund to receive a donation as part of the Write for DOnations program.
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