I have a div that will have this CSS:
#some_kind_of_popup
{
position: fixed;
top: 100px;
min-height: 300px;
width: 90%;
max-width: 900px;
}
Now, how can i make this div centered? I can use margin-left: -450px; left: 50%; but this will only work when the screen is > 900 pixels. After that (when the window is < 900 pixels), it will no longer be centered.
I can of course do this with some kind of js, but is there a "more correct" of doing this with CSS?
You can center a fixed or absolute positioned element setting right and left to 0, and then margin-left & margin-right to auto as if you were centering a static positioned element.
#example {
position: fixed;
/* center the element */
right: 0;
left: 0;
margin-right: auto;
margin-left: auto;
/* give it dimensions */
min-height: 10em;
width: 90%;
}
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