body {
    background-color: salmon;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100vh;
    align-items: center;
    font-family: 'Courier New', Courier, monospace;
    color: aliceblue;
    text-align: center;
}

h2 {
    font-size: 2rem;
}

.emoji {
    font-size: 5rem;
    padding: 15px;
    border: none;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, .3);
    filter: grayscale();
    transition: filter .2s ease-in-out;
}

.emoji:hover {
    filter: grayscale(0);
}

.emoji-name {
    font-size: 18px;
    font-weight: 600;
}