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HTML background codes can change the appearance of a web page by defining background color or image. They can be used with the body tag or CSS. However, they can cause readability issues and some codes are deprecated. Background images can be applied to the entire page or confined to a block-level element. Other codes allow for repeating images or specific alignment. Solid colors can also be defined. It is important to note that some browsers may disable background images and colors. It is bad design practice to rely heavily on background color to convey information. Dark text on a light background can improve visibility.
Background codes for HyperText Markup Language (HTML) are block-level element properties that can change the appearance of the area behind text and images displayed on a web page. Using HTML background codes, you can change the background color of a page or define and display an image as the background. These codes can be used as properties of the HTML body tag or defined more specifically with cascading style sheets (CSS). While background HTML codes can help improve the appearance of a web page, they can also cause problems with page readability if not tested properly. Also, some background code has been depreciated, especially the HTML body tag properties, and may not display correctly unless defined with CSS properties.
Both the HTML body tag’s background property and the CSS background-image property allow a designer to specify a file that can be used as a website’s background image. When an image is defined using the body tag’s background property, the image is applied to the background of the entire page. If the background-image CSS property is used, the image can be confined to a single block-level element, such as a table or text box. The image can be almost anything, although most browsers do not display graphics interchange format (gif) animations as a background image and instead may only show the first frame.
Other background codes can be used with the body tag and additional CSS properties. They allow you to define an image as repeating across the background either vertically, horizontally, or both. HTML background codes can also be used to align an image to a specific area of the screen, such as the bottom right corner. CSS properties can take percentages or pixel positions as arguments, providing a method for placing images in very specific positions.
There is also a simpler set of HTML background codes that deal with defining a solid color as the background for a website. Just like with images, applying color within the body tag will change the background color of the entire page, while changing CSS body properties will limit the change to a single block-level element. It is important to note that some web browsers allow users to disable the display of background images and colors.
HTML background codes can sometimes be rendered improperly or disabled, so it is considered bad design practice to rely heavily on the color of a background image to convey vital information to the website viewer. Similarly, if the text and background color are reversed and the background does not display correctly, website visitors may not see any text. Keeping a dark text color on a light background can help make a website visible even if the background isn’t showing in the desired color.
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