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I have a div with position:fixed that is my container div for some menus. I've set it to top:0px, bottom:0px to always fill the viewport. Inside that div I want to have 2 other divs, the lower one of which contains lots of lines and has overflow:auto. I would expect that it would be contained within the container div, but if there are too many lines it simply expands outside the fixed div. Below is my code and a screenshot to clarify:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>MyPlan</title> <meta name="X-UA-COMPATIBLE" value="IE=8" /> <style type="text/css"> #outerfixed { position:fixed; width:200px; background-color:blue; padding:5px; top:0px; bottom:30px;} #innerstatic1 { width:100%; background-color:yellow; height:100px;} #innerstatic2 { overflow:auto; background-color:red; width:100%;} </style> </head> <body> <div id="outerfixed"> <h3>OUTERFIXED</h3> <div id="innerstatic1"> <h3>INNERSTATIC1</h3> </div> <div id="innerstatic2"> <h3>INNERSTATIC2</h3> line<br /> ...lots of lines line<br /> </div> </div> </body> </html> 
Is there any way for me to do this? Again, I want #innerstatic2 to be properly contained within #outerfixed and get scrollbars if it gets bigger than the space it has inside #outerfixed.
I know there are some possibilites to hack around this by also fixing #innerstatic2, but I would really like it to be within the flow inside #outerfixed if possible, so that if I move #outerfixed somewhere, the inner element would come with it.
EDIT: I know I can set overflow:auto on the #outerfixed and get a scrollbar on the whole thing, but I specifically want a scrollbar just on #innerstatic2, it is a grid and I want to scroll just the grid.
Anyone? Possible?
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To make div fixed scrolling to that div with CSS, we can use the position: sticky CSS property. position: -webkit-sticky; position: sticky; top: 0; z-index: 1; to set position to sticky and z-index to 1 to make the element with the sticky position show on top after we scroll to it.
There's a two-step solution for this, but it comes at something of a cost:
overflow-y: scroll; to the css for #innerstatic2.height (or max-height) for #innerstatic2, otherwise it won't overflow, it'll just keep increasing its height (the default for a div is height: auto).I've posted a demo on jsbin to show a jQuery implementation of this, which will calculate a height for you (it's not generalised, so it'll only work with your current html).
(function($) { $.fn.innerstaticHeight = function() { var heightOfOuterfixed = $('#outerfixed').height(), offset = $('#innerstatic2').offset(), topOfInnerstatic2 = offset.top, potentialHeight = heightOfOuterfixed - topOfInnerstatic2; $('#innerstatic2').css('height',potentialHeight); } })(jQuery); $(document).ready( function() { $('#innerstatic2').innerstaticHeight(); } ); I solved it by giving absolute position to the ul and height 100%
ul { overflow-y: scroll; position: absolute; height: 100%; } check out this FIDDLE
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