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When styles need to be applied to many pages, external stylesheets are the ideal choice. In the case of using external stylesheets, you need to change one file to turn around the outside of the site. Each page uses tags to link to the stylesheet. The tag is in the header (of the document):

The trapper will read the style declaration from the file mystyle.css and pattern the document according to it.

External stylesheet cages retire and develop editors in a text editor. The file cannot collect any html tags. The stylesheet should be developed and retained with the .css extension. Above is an example of a stylesheet file:

Hr {color: sienna;} p {margin-left: 20px;} body {bac kilogram round-image: url ("images/back40.gif");}

Do not leave a space between the attribute value and the cell. If you use "margin-left: 20px" instead of "margin-left: 20px", it only works in IE 6, but it doesn't work in Mozilla/Firefox or Netscape.

Html, the full name of html, is a markup language that contains a series of tags. Through these tags, you can unify the format of documents on the network and connect scattered Internet resources into a logical whole. Html text is a descriptive text composed of html commands, and html commands can explain text, graphics, animation, sounds, tables, links, etc. Mainly used with css+js to build elegant front-end web pages.

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