The margin of an element allows you to set the space between that element and other elements in the window by specifying one to four values that correspond to all four sides together, the top/ bottom and left/right sides as pairs, or all four sides independently. To define the margins of an element: 1. Start your declaration by typing the margin shortcut property name in the declaration block, followed by a colon (:) margin: 2. Type a value for the margin.

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The border property allows you to set a rule (line) around all four sides of your box in any color and thickness using a variety of line styles. Also, using additional border properties, you can independently set the borders on any of the four sides, giving you amazing design versatility. To set the border: 1. To set the border on all four sides, type the border property name in the CSS declaration block, followed by a colon (:) border: 2. Type a border-width value, followed by a space.

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Here are six simple things you can do to improve the appearance of your Web page when it is printed. Use page breaks before page headers to keep them with their text. Separate content from navigation. Try to keep the main content—the part your audience is interested in reading—in a separate area of the design from the site navigation. You can then use CSS to hide navigation in the printed version with a nav included in the print style sheet. Avoid using transparent colors in graphics. This is especially true if the graphic is on a background color or a graphic other than white.

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The idea of a standard way to communicate over the Internet was the principle behind the creation of the World Wide Web: You should be able to transmit information to any computer anywhere in the world and display it in the way the author intended. In the beginning, only one form of HTML existed, and everyone on the Web used it. This situation didn’t present any real problem because almost everyone used Mosaic, the first popular graphics-based browser, and Mosaic was the standard. That, as they say, was then. Along came Netscape Navigator and the first HTML extensions were born.

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Drupal8 W3CSS Theme - Bar - Navigation Classes

You can describe color on the screen in a variety of ways, but most of these descriptions are just different ways of telling the computer how much red, green, and blue are in a particular color. Browser-safe Colors? Certain colors always display properly on any monitor. These colors are called browser-safe colors. You’ll find them fairly easy to remember because their values stay consistent. In hexadecimal values, you can use any combination of 00, 33, 66, 99, CC, and FF. In numeric values, use 0, 51, 102, 153, 204, or 255. In percentages, use 0, 20, 40, 60, 80, or 100.

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The ability to set the background color on an HTML page has been around almost since the first Web browsers. However, with CSS you can define the background color, not only for the entire page, but also for individual elements using the background- color property. Unlike the color property, though, background colors are applied only to the element, and are not directly inherited by its children. That said, by the very fact they are within the parent, they will be set against that background. To define the background color of an element: 1.