* {
    margin: 0;
    box-sizing: border-box;
    touch-action: manipulation;
    user-select: none;
}

html,
body {
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #111;
    color: #f0f0f0;
    overflow: auto;
}

header {
    position: absolute;
    display: flex;
    top: 0;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 10vh;

    & #copy-url {
        position: absolute;
        left: 2vh;
        font-size: 4vh;

        &:active {
            opacity: 0.5;
        }
    }

    & .copied {
        left: 12vh;
        position: absolute;
        opacity: 0;
        transition: opacity 1s ease-out;

        &.display {
            opacity: 1;
        }
    }
}

@media (min-width: 767px) {
    body {
        gap: 4vh;
        height: 100%;
    }
}