.block-page-nav{position:relative;width:100%;background:var(--theme-page-bg);transition:box-shadow .2s cubic-bezier(.215,.61,.355,1),opacity .2s cubic-bezier(.215,.61,.355,1),visibility .2s cubic-bezier(.215,.61,.355,1)}.block-page-nav--stuck{box-shadow:0 6px 7.5px -2px rgba(0,0,0,.075),0 12.5px 19px 0 rgba(0,0,0,.023),0 4.5px 25px 0 rgba(0,0,0,.023)}.block-page-nav--hide{opacity:0;visibility:hidden;max-height:none}.block-page-nav__selection{position:absolute;bottom:0;height:3px;background-color:#333;transition:left .5s cubic-bezier(.215,.61,.355,1),width .5s cubic-bezier(.215,.61,.355,1)}.block-page-nav__nav-end{display:flex;align-items:center;gap:.5em}