css - HTML A problem with floating the divs -

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i have problem mentioned above.

in web app, i'll generating many divs dynamically jquery(asp.net mvc). each new div can have different width, , of them must floated left

i tried (test) float left 2 divs, no success. doing wrong ?

each div has defined width, because when total width of divs > maindiv's width, scrollbar appear. now, in case, 2 divs not floated left

here's code

<div id="maindiv" style="overflow:auto; width:100%;">    <div style="width:960px; float:left; background-color:lime;">          </div>    <div style="width:960px; float:left; background-color:red;">       b    </div> </div>

you have make sure containing div wide enough accommodate floated div's side side.

so in example, have set width of containing div maindiv @ least 1920px.

you need additional wrapper if want scroll-bars appear on maindiv:

html:

<div id="maindiv" style="overflow:auto; width:100%;">    <div id="wrapper">      <div style="width:960px; float:left; background-color:lime;">             </div>      <div style="width:960px; float:left; background-color:red;">        b      </div>    </div> </div>

css:

#wrapper {     width: 1920px; }

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