position:fixed in reveal.js

Question

I am trying to make a header for my reveal.js presentation that sticks to the top of the screen. The content in the header is dynamic on a per-slide basis, so I have to place th

Answer 1

Add this to css:

.reveal.slide .slides > section, .reveal.slide .slides > section > section {
  min-height: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  position: absolute !important;
  top: 0 !important;
  align-items: center !important;
}
section > h1, section > h2 {
  position: absolute !important;
  top: 0 !important;
  margin-left: auto !important;
  margin-right: auto !important;
  left: 0 !important;
  right: 0 !important;
  text-align: center !important;
}
.print-pdf .reveal.slide .slides > section, .print-pdf .reveal.slide .slides > section > section {
  min-height: 770px !important;
  position: relative !important;
}

• Demo https://rawgit.com/rofrol/reveal.js/fixed_header/
• Code https://github.com/rofrol/reveal.js/blob/fixed_header/index.html#L411
• Discussion https://github.com/hakimel/reveal.js/issues/1312 https://github.com/hakimel/reveal.js/issues/180

Answer 2

At the end of your main.html add:

Reveal.initialize({ center: false, })