#left {
position: absolute;
left: 2%;
width: 22%;
top: 106px;
background-color: #ffffff;
}

#content {
position: absolute;
left: 25%;
width: 50%;
top: 106px;
background-color: #ffffff;
overflow: auto;
}

visible = The element gets expanded to show the entire content.
hidden  = The content will be cut if it overflows.
scroll  = The browser should offer scroll bars.
auto    = The browser should decide how to render the element. Scroll bars are allowed.

#right {
position: absolute;
left: 76%;
width: 22%;
top: 106px;
background-color: #ffffff;
overflow: auto;
}

XML is totally extensible

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By not predefining any tags in the XML Recommendation, the W3C allowed developers full control over customizing their data as they see fit. This makes XML very attractive to encoding data that already exists in legacy databases (by using database metadata, and other schema information). This extensibility of XML makes it such a great fit when trying to get different systems to work with each other.

Since the structure of the XML document can be specified in DTDs they provide a simple way to make it easier to exchange XML documents that conform to a DTD. For example, if two software systems need to exchange information, then if both of the systems conform to one DTD, the two systems can process information from each other. DTDs are not as powerful as some kind of schema architecture for XML, they don't support typing, subclassing, or instantiation mechanisms that a schema architecture must have.

BIG element, the overall height of the line boxhas been increased, thus providing enough room for theBIG element to be displayed without overlappingany other text and without changing theline-height of all lines in the paragraph. We usea value 1em so that theline-height for the BIG elementwill be set to the same size as BIG'sfont-size -- remember,line-height is set in relation to the

A:hover {font-size: 200%;}

In theory, a user agent would have to double the size of anchor textas the pointer hovers over it, which could well cause major redisplayissues. An author could cause similar problems by declaring thatTEXTAREA elements should change their size whenthey are in focus. User agents are not required to reflow thedocument based on styles assigned to these pseudo-elements, althoughsome may do so -- it remains to be seen.