@import url("https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700,400italic");.hero-section{background:linear-gradient(135deg, #1e3a8a 0%, #0c1736 100%);color:#fff}.hero-section h1{text-shadow:0 2px 4px rgba(0,0,0,.3)}.book-details img{transition:transform .2s ease}.book-details img:hover{transform:translateY(-2px)}