html <div> Divide screen into three sections

Hi

I have an ASP.net project where I want to split the screen into three boxes.
I need one box that takes up the whole top half of the screen and then
twp adjacent boxes below that taking up the bottom half of the screen
The figure below gives a very rough idea. Thanks
___________
I               I
-----------------
I       I       I
------------------
Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAsked:
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BuggyCoderCommented:
<html>
<head>
</head>
<body>
<div style="background-color:Red">
hello
</div>
<div style="width:600px;background-color:Blue;position:relative;float:left;">
asdfsadf sadfdsaf dsa
</div>
<div style="width:600px;position:relative;float:right;background-color:Green">
ASDFds fdsaf dsaf dsf
</div>
</body>
</html>
RouchieCommented:
Using the code above, you should also clear the floating div's to stop them floating above anything that goes below them.  So, as above but with this at the bottom:


ASDFds fdsaf dsaf dsf
</div>
<div style="clear:both; height:0; overflow:hidden">&nbsp;</div>
</body>
</html>
haravallabhanCommented:
Yes and having the width in percentage (%) will ensure the page is not scrambbled when the window is minimized.

<html>
<head>
</head>
<body>
<div style="background-color:Red">
Header
</div>
<div 

style="width:50%;background-color:Blue;position:relative;floa

t:left;">
Bottom left
</div>
<div 

style="display:inline;width:50%;position:relative;float:right
;background-color:Green">
Bottom Right</div>

</body>
</html>

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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Thank you very  much for the help
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