.app{display:flex;flex-direction:column;align-items:center}button{background:#90ee90;border:1px solid green;border-radius:3px;padding:10px;font-size:20px;width:30%}.animal-list{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center}.animal-show{position:relative;margin:1rem;padding:1rem;border:1px solid lightgray;border-radius:5px;box-shadow:0 3px 4px #d3d3d3}.animal{height:200px}.heart{position:absolute;bottom:10%;right:10%}