crowsite/crow_test/static/css/bar.css

button.bar {
    border-radius: 4px;
    padding: 12px 28px;
    font-size: 16px;
    background-color: #9a7aa0;
}
button.bar:hover {
    box-shadow: 0 12px 16px 0 rgba(59, 165, 144,0.24), 0 17px 50px 0 rgba(59, 165, 144,0.19);
}