.block-page-nav{background:var(--theme-page-bg);width:100%;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);position:relative}.block-page-nav--stuck{box-shadow:0 6px 7.5px -2px #00000013,0 12.5px 19px #00000006,0 4.5px 25px #00000006}.block-page-nav--hide{opacity:0;visibility:hidden;max-height:none}.block-page-nav__selection{background-color:#333;height:3px;transition:left .5s cubic-bezier(.215,.61,.355,1),width .5s cubic-bezier(.215,.61,.355,1);position:absolute;bottom:0}.block-page-nav__nav-end{align-items:center;gap:.5em;display:flex}