:root {
    --black: #252423;
    --white: #F6F4F2;
    --red: #FF4B4B;
    --orange: #FF8F42;
    --lightorange: #FFC730;
    --yellow: #F6FF56;
    --citrus: #A4FF4F;
    --green: #18FF74;
    --darkgreen: #00D672;
    --turquoise: #3CFFEC;
    --skyblue: #61C3FF;
    --kingblue: #5A87FF;
    --lavender: #8453E3;
    --purple: #C26EFF;
    --pink: #FB89FB;
}

*, *:before, *:after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 0;
    font: inherit;
    vertical-align: baseline;
}

html,
body {
    background-color: var(--black);
    color: var(--white);
    font-family: sans-serif;
}

.black {
    color: var(--black);
}

.white {
    color: var(--white);
}

.red {
    color: var(--red);
}

.blue {
    color: var(--skyblue);
}

.green {
    color: var(--green);
}

.grid {
    --one-cell: 100px;
    --border-color: rgba(255,255,255,.75);
    flex-grow: 1;
    position: relative;
    width: 100%;
    height: 100%;
    padding: 0;
}

    .grid:before {
        content: "";
        pointer-events: none;
        position: absolute;
        z-index: 0;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(-90deg, rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(-90deg, rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
        background-size: calc(var(--one-cell) / 10) calc(var(--one-cell) / 10), calc(var(--one-cell) / 10) calc(var(--one-cell) / 10), var(--one-cell) var(--one-cell), var(--one-cell) var(--one-cell), var(--one-cell) var(--one-cell), var(--one-cell) var(--one-cell);
        background-position: 0 -1px;
        backface-visibility: hidden;
    }

    .grid:before {
        width: calc(75px + 100%);
        left: -75px;
    }

@media (min-width: 500px) {
    .grid:before {
        width: 100%;
        left: 0;
    }
}

.log {
    --width: 22ch;
    --height: 20ch;
    position: fixed;
    z-index: 10;
    top: 0;
    overflow-y: scroll;
    width: var(--width);
    height: var(--height);
    padding-left: 1ch;
    padding-right: 1ch;
    padding-bottom: 1ch;
    font-family: ui-monospace, monospace;
    white-space: pre;
    background-color: rgba(0, 0, 0, .5);
}

    .log span {
        animation: reveal 2s ease-in-out forwards;
    }

@keyframes reveal {
    from {
        opacity: 1;
    }

    to {
        opacity: .4;
    }
}