.study-anim{position:relative;width:100%;max-width:300px;margin:0 auto}.study-anim .book{animation:float 3s ease-in-out infinite}.study-anim .lamp{animation:pulse 2s ease-in-out infinite}.study-anim .star{animation:twinkle 1.5s ease-in-out infinite}.study-anim .star:nth-child(2){animation-delay:.5s}.study-anim .star:nth-child(3){animation-delay:1s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes twinkle{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}