Twitter Bootstrap modal opening/closing causes fixed header to jump

Question

I am almost done with a simple 2-page website for my registered domain names. Unfortunately I have one small issue I can\'t seem to fix: a jumpy header when a Twitter Bootst

Answer 1

I have a structure:

  
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I'm using this CSS:

body.modal-open {padding-right: 0 !important}
body.modal-open nav,
body.modal-open section,
body.modal-open footer {padding-right: 17px !important}