CSS Note 02: Selectors (tabbed and Class)

Body {   margin:0;    padding:0;    background:#000  url (' images/backgrounds/star.png ')  no-repeat fixed;    Font: 12px sans-serif;}

Here the body is the selector, where CSS attributes such as margin, padding, background, and font are applied to the BODY element,

To use CSS to implement one-to-one, two-to-many or more-to-many controls on elements in an HTML page, you need a CSS selector.   elements in an HTML page are controlled by a CSS selector. above is the label style selector , the following is the form of the selector of the class, as follows: class Selector Selects according to the class name front with "." To sign , such as:

. Demodiv {color:#FF0000;}

CSS Note 02: Selectors (tabbed and Class)