Hrishikesh Sardar Hrishikesh Sardar - 5 months ago 32
CSS Question

How to make Twitter bootstrap modal full screen

<div id="myModal" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-body">
<%= image_tag "Background.jpg" %>

How do I make a twitter bootstrap modal popup full screen for the above code, I tried playing around with css but was not able get it the way I wanted. Can anyone please help me with it.

Answer Source

I achieved this in Bootstrap 3 with the following code:

.modal-dialog {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;

.modal-content {
  height: auto;
  min-height: 100%;
  border-radius: 0;

In general, when you have questions about spacing / padding issues, try right+clicking (or cmd+clicking on mac) the element and select "inspect element" on Chrome or "inspect element with firebug" on Firefox. Try selecting different HTML elements in the "elements" panel and editing the CSS on the right in real-time until you get the padding / spacing you want.

Here is a live demo

Here is a link to the fiddle

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