css-position

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 directly under the body and the body/html tags have height: 100% set. In my original question I did not state

Often I find myself attaching a class to an element just to give it position: relative; so that I can position it's children using position: absolute; Would there by anything wrong, or should I say, would anything break if I was to write: * { position: relative; } or perhaps the below example, as these are usually the only elements I require the relative positioning on: div, navbar, footer, section, aside, header, article { position: relative; } According to W3schools, all elements are position: static; by default which is positioned according to the normal flow of the page. "HTML elements are

I have div which hosts another div. Ok, I get the case when the parent is position:relative and the child is position:absolute . I don't get what happens when parent's position is absolute and child's position is relative parent's position is absolute and child's position is absolute parent's position is relative and child's position is relative I use the JSbin example from Why does an absolute position element wrap based on its parent's right bound? but the question applies to positioning concept in general Read more about absolute, relative, and fixed position and how they differ here , but

I am trying to insert a div into any part of the body and make its position: absolute relative to the whole document and not a parent element which has a position: relative . You will have to place the div outside of the position:relative element and into body . You're looking for position: fixed . From MDN : Fixed positioning is similar to absolute positioning, with the exception that the element's containing block is the viewport. This is often used to create a floating element that stays in the same position even after scrolling the page. My solution was to use jQuery for moving the div