:root {
    --background-color: #111837;
    --color-primary: #2C4A78;
    --color-secondary: #8BCADD;
}

html,
body {
    padding: 0;
    margin: 0;
}

body {
    height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Poppins', sans-serif;
    background-color: whitesmoke;
}

header {
    background: var(--color-primary);
    padding: 0.75rem;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 5px 0 10px black;
}

header a {
    color: white;
    text-shadow: 2px 2px var(--background-color);
}

main {
    flex: 1;
}

footer {
    background: var(--color-secondary);
    text-align: center;
    padding: 0.5rem;
}

footer img {
    height: 25px;
    margin: 0 5px;
}

footer a {
    display: flex;
    align-items: center;
    justify-content: center;
}

img {
    max-width: 100vw;
    max-height: 50vh;
    object-fit: contain;
}

figcaption {
    text-align: center;
    margin-bottom: 32px;
}

a {
    text-decoration: none;
    color: var(--background-color);
}

p {
    text-align: center;
    padding: 1rem 15%;
}

.hidden {
    display: none;
}

.scene {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    margin-top: 4rem;
}

.state-game-button {
    background-color: var(--color-primary);
    color: white;
    text-transform: uppercase;
    font-size: 1.25rem;
    padding: .5rem 1rem;
    border: none;
    font-weight: bold;
    border-radius: 50px;
    transition: background-color 5ms linear;
    cursor: pointer;
}

.state-game-button:hover {
    background: var(--color-secondary);
    color: var(--background-color);
}

.state-game-button:active {
    background:  var(--background-color);
    color: white;
}

.game-timer {  
    font-size: 3rem;
    font-family: 'DM Mono', monospace;
    color: orangered;
    text-shadow: 2px 4px 4px #000000;
}

#multiple-choice-button-group button {
    min-width: 75px;
    margin: 10px;
    padding: 10px;
    font-weight: bold;
    cursor: pointer;
}

#start-scene h1 {
    font-size: 4rem;
}

#start-scene .game-timer {
    font-size: 4rem;
}

#end-scene img {
    border: 8px solid var(--color-primary);
    padding: 2px;
    border-radius: 8px;
}

#game-over-heading,
#countdown-timer {
    min-height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}