style.css

@import url('https://fonts.googleapis.com/css2?family=Russo+One&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono&display=swap');

:root {
    --bg-color: #A09F57;
    --primary-color: #EADEB8;
    --secondary-color: #CFB784;
    --main-font: 'Russo One', sans-serif;
    --number-font: 'Roboto Mono', monospace;
}

body {
    background-color: var(--bg-color);
    color: var(--primary-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-family: var(--main-font);
    font-size: 16px;
}

h1 {
    font-size: 4em;
    margin-bottom: 0.25em;
}

h2 {
    font-size: 3em;
    margin-bottom: 1em;
}

h3 {
    font-size: 2em;
}

#buttonToSpeak, 
a {
    background-color: var(--secondary-color);
    color: #FFFFFF;
    font-family: var(--main-font);
    font-size: 1em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    border-radius: 20px;
    padding: 1.5em;
    cursor: pointer;
}

.message {
    font-size: 1.5em;
    margin: 2em auto;
}

.fa-greater-than {
    font-size: 4em;
    display: inline-block;
    margin-right: 0.25em;
}

.box {
    font-family: var(--number-font);
    font-size: 4em;
    display: inline-block;
    border: 1px solid var(--primary-color);
    margin: 0.5em auto;
    padding: 0.3em;
}

.helper-message {
    margin-top: 1em;
}
.stop-game {
    font-size: 0.7em;
    margin-top: 0.5em;
}

/* Styles for game over screen */
.game-over {
    color: #FFF;
}

.game-over .fa-face-frown{
    font-size: 10em;
    margin-bottom: 0.2em;
}

.game-over p{
    margin: 4em auto;
}

.game-over a{
    background-color: #FFF;
    color: #000;
}