:root {
    --background: #fdfcfd;
    --foreground: #211f26;
}

@media screen and (prefers-color-scheme: dark) {
    :root {
        --background: #121113;
        --foreground: #eeeef0;
    }
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--background);
    color: var(--foreground);
    font-family: monospace;
}

main {
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.text {
    font-size: 4em;
}

svg {
    width: 50px;
    height: 50px;
}

.box1 {
    position: fixed;
    top: 0;
    left: 0;
    width: 50px;
    height: 50px;
    background: var(--background);
    z-index: 100;
    box-sizing: border-box;
    transition: box-shadow 0.2s;
    display: block;
    cursor: pointer;
}

.box2 {
    position: fixed;
    top: 0;
    right: 0;
    width: 50px;
    height: 50px;
    background: var(--background);
    z-index: 100;
    box-sizing: border-box;
    transition: box-shadow 0.2s;
    display: block;
    cursor: pointer;
}

@media (max-width: 500px) {
    .box1,
    .box2 {
        width: 50px;
        height: 50px;
    }
    svg {
        width: 50px;
        height: 50px;
    }
    .text {
        font-size: 3em;
    }
}