css-position | 易学教程

Extend child div beyond container div

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问题 I'm trying to expand this div across with width of the browser. I've read from here that you can use {position:absolute; left: 0; right:0;} to achieve that as in the jsfiddle here: http://jsfiddle.net/bJbgJ/3/ But the problem is that my current #container has a {position:relative;} property, and hence if I apply {position:absolute} to the child div, it would only refer to #container . Is there a way to still extend my child div beyond the #container ? 回答1: I can think of five ways to

Clear absolutely positioned elements with CSS possible?

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问题 Is there any way to clear absolutely positioned elements with CSS? I'm creating a page where I need each part of the site (section element) to be absolutely positioned, and I want to apply a footer with content below those elements. Tried to relatively position the header and footer to see if a total height would be taken into account but the footer still gets "trapped" underneath the section elements. Any ideas? <header style="position: relative;"></header> <div id="content" style="position:

IFRAME and conflicting absolute positions

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问题 I would like to have an IFRAME dynamically sized using the following CSS: #myiframe { position: absolute; top: 0; bottom: 0; left: 0; right: 0; } However, no browser seems to support this. In good browsers I could wrap the IFRAME in a DIV with the quoted CSS style and set the height & width of the IFRAME to 100%. But this does not work in IE7. Short of using CSS expressions, has anyone managed to solve this? Update MatTheCat answered with a scenario that works if the IFRAME is located

Absolute positioning in gmail emails

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问题 I have a client who wants to send gift certificates to people who sign up on their site. They want it all designed out, so I can't just send a text email. I'm trying to position text over the image so that it can still be dynamic. I'm trying to do this with absolute positioning. Some email systems love it. Some hate it. Gmail happens to hate it. We're using MailChimp for the campaign. Here is the full source of the email. Following that is just the snippet that isn't working. <html> <head> <!

How to position a Bootstrap popover?

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问题 I'm trying to position a Bootstrap popover for a trigger that sits on the far top-right corner of a 960px wide web page. Ideally, I'd position it on the bottom and move the arrow with CSS (so the arrow is on the top-right of the popover). Unfortunately the 'placement':'bottom' positioning is not enough, since it will center it below the trigger. I'm looking for solution that will place the popover statically below and on the left of the trigger. 回答1: This works. Tested. .popover { top: 71px

Why doesn't Z-Index in IE render the way it's supposed to over a Flash Movie?

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问题 I am working on a site with two absolutely positioned divs... the logo and the menu (navbar) IE is burying them both, even after multiple tries of z-index manipulation. Why can't IE work as well as Firefox or even Opera for God's sake? UPDATE....... I forgot to mention that these divs are positioned over a flash movie. How could I possibly have left that out?! 回答1: If your flash movie is burying your other content you may have luck by adding an additional param element to your embedded object

WPF WebBrowser Control - position:fixed Element jumps while scrolling (Windows 8)

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问题 We use the WPF WebBrowser control to display an embedded page. On Windows 8 we observe a strange jumping behavior of elements with css position:fixed while scrolling. The same page works fine in IE10 on Windows 8 (also FF, Chrome) and in the WPF WebBrowser control on Windows 7. Has anyone seen this behavior before and knows a fix for the jumping motion? Is it possible the .NET Version 4.5 used on the test machine (Surface with Win 8) be the Problem as compared to the .Net Version 4 on the dev

WPF WebBrowser Control - position:fixed Element jumps while scrolling (Windows 8)

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Parent div Not getting height if child div is absolute

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问题 I just stuck in position , I used position:relative for parent and position:absolute for child now parent div did't get height and i don't want to use min-height or height . You can see the red border on top which is the parent div border . fiddle code .box { text-align: center; border: 1px solid red; width: 500px; margin: 0 auto; position: relative; } .content { width: 50%; position: absolute; left: 0; right: 0; margin: 0 auto; } <div class="box"> <div class="content"> Lorem ipsum dolor sit

CSS Adjust Parent DIV size if Absolute Child DIV falls outside boundaries

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问题 I have a parent div that is a specified width and height. If I have a child div inside that, that is outside the boundaries, is there a way to make the parent div adjust size to fit the child div? EX: <div style="width:500px; height:500px; position:relative;"> <div style="width:300px; height:300px; position:absolute; top:250px;"> Some Content </div> </div> As you can see in this example the child div would overflow the parent div on the bottom by 50px. I do not want to use overflow:auto