/* html, body {
    height: 100%;
} */

:root {
    --default: #121213;
    --empty: #3a3a3c;
    --wrong: #b59f3b;
    --right: #538d4e;
}

body {
   display: grid;
   place-items: center;
   background: var(--default);
   color: white;
   font-family: Arial, Helvetica, sans-serif;
}

#game {
    margin: 0 auto;
    display: grid;
    place-items: center;
    width: 100%;
    height: 600px;
}

.grid {
    display: grid;
    grid-template-rows: repeat(6, auto);
    grid-template-columns: repeat(5, auto);
}

.box {
    width: 60px;
    height: 60px;
    border: 2px solid var(--empty);
    margin: 4px;
    color: white;
    text-transform: uppercase;
    display: grid;
    place-items: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.5rem;
}

.box.empty {
    background-color: var(--empty);
}

.box.wrong {
    background-color: var(--wrong);
}

.box.right {
    background-color: var(--right);
}

.animated {
    animation: flip 0.5s ease;
}

@keyframes flip {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scaleY(0);
    }
    100% {
        transform: scaleY(1);
    }
}


.title {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.subtitle {
    transform: rotate(20deg) translateY(.75rem) translateX(.1rem);
    color: var(--wrong);
}

footer {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

footer a {
    text-decoration: none;
}