.book-button{cursor:pointer;position:relative}.book-button:before{content:"";-webkit-backdrop-filter:saturate(220%)blur(16px);backdrop-filter:saturate(220%)blur(16px);border-radius:inherit;z-index:1;opacity:.75;transition:opacity .15s ease-out;position:absolute;inset:0;box-shadow:0 10px 40px #0000001a}.book-button:after{content:"";border-radius:inherit;--stroke:#ffffff29;box-shadow:inset .5px .5px var(--stroke),inset .5px -.5px var(--stroke),inset -.5px .5px var(--stroke),inset -.5px -.5px var(--stroke);opacity:.55;pointer-events:none;z-index:2;min-width:100%;max-width:100%;height:0;min-height:100%;max-height:100%;transition:opacity .15s ease-out;display:block;position:absolute;top:0;left:0;right:0}.book-button:active:before,.book-button:hover:before{opacity:1}.book-button:active:after,.book-button:hover:after{opacity:.85}