* {
    font-family: arial, sans-serif;
    text-align: center;
    outline: none;
}

body {
    background: white;
}

h1 {
    margin-top: 20vh;
}

button#pb {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: none;
    background: #00ff0a;
    cursor: pointer;
    color: white;
    font-size: 80px;
    transition: 0.5s all;
}

button#pb:hover {
    box-shadow: 0 8px 8px #000000aa;
    background: #46ff46;
    transform: translate(0, -8px);
}