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Layout Control is a critical issue in any website/pages design.

Layout Control is a critical issue in any website/pages design. Traditionally and conveniently (but not satisfactorily) done with <frameset> and <frame> Supported by all browsers Discouraged now Multiple pages made messy with “back” button

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Layout Control is a critical issue in any website/pages design.

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  1. Layout Control is a critical issue in any website/pages design. • Traditionally and conveniently (but not satisfactorily) done with <frameset> and <frame> • Supported by all browsers • Discouraged now • Multiple pages made messy with “back” button • Tables were also used to control positioning of elements • Discouraged now. • This lecture addresses modern ways of layout control using CSS styles, new tags of HTML5 • Have a quick look at HTML5 new tags

  2. Default “flowing” of doc/page elements • Block element flow from the top to the bottom • Inline elements flow from left to right side of their enclosing block elements • For layout control, this default flow need be manipulated by using the follow two style properties: • Float: causes an element to float to left or right • Clear: requires the left, right or both besides a floated element clear – stop subsequent element flowing into these spaces.

  3. Note: Firefox requires the –moz- prefix, Chrome and Safari require the –webkit- prefix.

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