.pinned {
  z-index: 2500000;
  position: fixed;
  left: 0;
}
.slide {
    -webkit-transition: all .25s ease-in-out;
    -moz-transition: all .25s ease-in-out;
    -o-transition: all .25s ease-in-out;
    transition: all .25s ease-in-out
}
.slide-pinned {
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0)
}
.slide-unpinned {
    -webkit-transform: translateY(-100%);
    -ms-transform: translateY(-100%);
    transform: translateY(-100%)
}
.sticky {
    display: block;
    position: -webkit-sticky;
    position: sticky;
    top: 100px;
    padding-bottom: 4em;
}
#firstConteiner > div.sticky {
    bottom: auto !important;
}