style.css

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

* {
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: antiquewhite;
    display: flex;
    margin: 0;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100vh;
    padding: 20px;
}

h1 {
    color: rgb(77, 0, 0);
    font-weight: 700;
    font-size: 2.5rem;
}

h2 {
    color: rgb(31, 1, 1);
    text-decoration: underline;
}

.pressedKey {
    font-size: 16rem;
    font-weight: 700;
    color: chocolate;
    margin-bottom: 30px;
}

.key {
    font-size: 1.5em;
    font-weight: 500;
    background-color: aliceblue;
    border: 1px solid chocolate;
    border-radius: 5px;
    padding: 20px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin: 10px;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
    min-width: 150px;
    position: relative;
}

.key small {
    position: absolute;
    bottom: -25px;
    left: 0;
    text-align: center;
    width: 100%;
    font-size: 1rem;
    color: #555;
}

@media only screen and (max-width: 1850px) {
    .pressedKey {
        font-size: 14em;
    }
}

@media only screen and (max-width: 1650px) {
    .pressedKey {
        font-size: 12em;
    }
}

@media only screen and (max-width: 1440px) {
    .pressedKey {
        font-size: 10em;
    }
}


@media only screen and (max-width: 1196px) {
    .pressedKey {
        font-size: 8em;
    }
}

@media only screen and (max-width: 940px) {
    .pressedKey {
        font-size: 6em;
    }
}

@media only screen and (max-width: 720px) {
    .pressedKey {
        font-size: 5em;
    }
}

@media only screen and (max-width: 640px) {
    .pressedKey {
        font-size: 5em;
    }
}

@media only screen and (max-width: 635px) {
    .pressedKey {
        font-size: 5em;
    }

    .key {
        display: flex;
        flex-direction: column;
        margin-bottom: 50px;
    }
}

@media only screen and (max-width: 440px) {
    .pressedKey {
        font-size: 3em;
    }
}