Page 81 - Chinmaya_C6_flipbook
P. 81

STYLING HTML5 DOCUMENTS WITH CASCADING STYLE SHEETS

                 Cascading Style Sheets or (CSS) are used to define styles for webpages. The latest version of CSS
                 is CSS 3. Earlier, CSS 2 was used. CSS comprises style rules that are interpreted by the web browser
                 and then applied to the corresponding elements in the HTML web page. CSS is the language that
                 describes the look and formatting of a document written in HTML.


                 SYNTAX OF CASCADING STYLE SHEET
                 The Cascading Style Sheet has two parts: selector and declaration.

                                        Selector             Declaration
                                          HI       { Color : Blue; Font-Size : 12 px; }


                                                     Property  Value   Property     Value
                 The selector specifies the element to which we want to apply the formatting and the declaration
                 specifies the formatting to the selector.

                   The property of CSS is used to create a style.
                   Value is the valid value for the property.
                    A semicolon should be used at the end of the property value if more than one property is used.

                 Some of the properties and their values used with the style attribute are given below:


                       Property                            Value                              Description




                  Background-Color       Name of the colour                          Specifies background colour


                                                                                     Specifies the text colour used
                  Color                  Name of the colour
                                                                                     in the webpage

                                                                                     Specifies the alignment of the
                  Text-Align             Left, Right, Center, Justified
                                                                                     text
                                                                                     Specifies the font of the text
                  Font-Family            Name of the font
                                                                                     used in the webpage
                                         Value is given in Pixels                    Specifies the font size used in
                  Font-Size
                                         The default font size for the text is 16px.  the webpage

                 The three ways to use CSS in HTML documents are described below:

                 INLINE CSS

                 An inline style is used to apply a unique style to a single element. Inline styles are added directly to
                 an HTML tag by using the STYLE attribute with the tag. Syntax to use the style attribute with a tag:

                                             <TAGNAME STYLE = “PROPERTY:VALUE;”>


                                                                                            Learn HTML5 and CSS3  79
   76   77   78   79   80   81   82   83   84   85   86