section.pagetop:hover img{animation:jump .6s ease-out 0s 1 normal}@keyframes jump{0%{transform-origin:bottom center;transform:scaleY(1)}10%{transform:scaleY(0.6)}50%{transform:scaleY(1.2) translateY(-10px);transform-origin:center center}80%{transform:translateY(0px) scaleY(0.8);transform-origin:bottom center}90%{transform:scaleY(1.1)}100%{transform:scaleY(1)}}section.fixed-nav{transition:linear .5s all;transform:translateY(-100%)}section.fixed-nav-in{transform:translateY(0)}nav.header a{display:inline-block;position:relative}nav.header a::before{content:"";background:#fee69f;width:100%;height:100%;top:0;left:0;position:absolute;z-index:-1;border-radius:5px;transform-origin:center center;transform:scale(0);transition:ease-in-out .5s all}nav.header a:hover::before{transform:scale(1)}