Am used bootstrap frame work on my website. but i have problem  with  using div [width]
size. Basically bootstrap have  fixed width and sizes[like div id="span 3"] 220 px;
But i need more than that 250 px; if i give span 3 is 250 px the boost trap indicate error

check my link and give a solution to  div alignment problem
Who is Participating?
Scott Fell, EE MVEConnect With a Mentor Developer & EE ModeratorCommented:
Bootstrap uses 12 columns.  You are using version 2 and version 3 is the newest.  If you are just starting your project, I would switch.  Version 3 or version 2

First thing you should do is check your code in the validator. You have a lot of errors. Many are duplicate ID's.  Judging by your question, you are probably getting confused on how to use an ID vs CLASS.  First look here:

The coding errors shown above matters in order to make your site behave the way you expect.  In your question you show, div id="span 3".  That should be a class div class="span3"

For the code, if you look on their example for version 2 you want to use the class=span throughout your code. I don't see where you have done that in your own code.  You only have bootstrap span classes in a couple of places.  

The example below is in percentages because it uses the class row-fluid.  If you don't use row-fluid, then you will be  using fixed widths.  
<div class="row-fluid">
  <div class="span12">
    Fluid 12
    <div class="row-fluid">
      <div class="span6">
        Fluid 6
        <div class="row-fluid">
          <div class="span6">Fluid 6</div>
          <div class="span6">Fluid 6</div>
      <div class="span6">Fluid 6</div>

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I did find bootstrap2 a little confusing, if you go to version3, the classes are set up differently but I like the site up much better.

I hope this helps.
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