sticky-state/src/sticky-state.css

StickyState is a high performant module making native position:sticky statefull and polyfill the missing sticky browser feature

.sticky {
  position: -webkit-sticky;
  position: sticky;
}

.sticky.sticky-fixed.is-sticky {
  margin-top: 0;
  margin-bottom: 0;
  position: fixed;
  -webkit-backface-visibility: hidden;
          -moz-backface-visibility: hidden;
       backface-visibility: hidden;
}

.sticky.sticky-fixed.is-sticky:not([style*="margin-top"]) {
  margin-top: 0 !important;
}
.sticky.sticky-fixed.is-sticky:not([style*="margin-bottom"]) {
  margin-bottom: 0 !important;
}


.sticky.sticky-fixed.is-absolute{
  position: absolute;
}