Some beginner doubts

[amitcoolguy]

Hey, I am a beginner at css and i had few doubts over designing layouts.
1) I have read several tutorials on layouts and each tutorial recommends a different technique, Using floats, absolute and relative positioning and there is this fluid layouts, fixed and elastic layouts . Which is the best technique that is cross-browser compatible, which does not break my layouts on zooming in and can be viewed on smaller devices. Also do recommmend any tutorials which can clear all these doubts.

2)Should I specify the widths on all block elements or only a selected few? Suppose i specify

body{

width: 780px;

}

then, is it gonna show properly on mobile devices? or should I specify widths in em’s or percentages?

Any help regarding this is appreciated.

[amitcoolguy]

Thank you for the link, it was a good resource. But what about my first doubt? how to achieve fixed, fluid and elastic layouts? and what’s the difference between them?

[Author]

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