MMDT1021 Chapter 9 Notes - page 1

 

Constructing a Style Rule

This is done by just specifying the name of the tag we want to control.
Code Page
Controlling the colors of h1, h2, and h3. Result
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Don't forget the ";" semicolons separating the property:value pairs  If you do, the page will not display correctly.  Here is an example of what happens when forgetting the semicolons. Result
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Constructing a Selector

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Here, a bolded word is only given special effects if it is also contained within <p> tags. Result
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Here bolded words are given special effects only if they are contained within the class "demo1". A div class needs to be referenced by "." period.

Divs with the same class name can be used multiple times in the same html document.

Result
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Here is an entire id named "banner" is given a special look.
An div id needs to be referenced by using a "#" pound sign.

A div with a particular id name can be used only once in a document.  Id names are unique to a document.  Id names are used primarily when incorporating Javascript into a web page.  Also they can be used as an anchor since they are unique to the document.

Result
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More information on breaking a page up into divisions (<div  ), inline spans (<span  ), ids (id=  ), and classes (class=  ) can all be found on page 140 in the book.  Please read this page carefully.

Parent - Sibling Selectors

We won't discuss parent-sibling selectors here because they are not widely supported in all the popular browsers.