:root {
    --digit-font-size: 205px;
    --space_between_digits: 10px;
    --digit-gap-in-column: 5px;

    --accent-color: white;
    --background-color: black;
    --icon-filter: invert(100%) sepia(1%) saturate(4579%) hue-rotate(177deg) brightness(111%) contrast(101%);
    --hover-color: rgb(30, 30, 30);
}

* {
    margin: 0;
    padding: 0;
}

body {
    width: 100vw;
    height: 100vh;
    background-color: var(--background-color);
}

#page {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#mode_btn {
    width: 100px;
    aspect-ratio: 1/1;
    position: absolute;
    /* border: 1px solid var(--accent-color); */
    border-radius: 10px;
    margin: 20px;
}
#mode_btn:hover {
    background-color: var(--hover-color);
    cursor: pointer;
}

#mode_icon {
    width: 100%;
    height: 100%;
    background-size: contain;
    filter: var(--icon-filter);
}

#clock_box {
    width: fit-content;
    height: fit-content;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space_between_digits);
    overflow: hidden;
}

.digit_column {
    width: fit-content;
    display: flex;
    flex-direction: column;
    gap: var(--digit-gap-in-column);
    height: var(--digit-font-size);
    /* transform: translateY(calc(-0*(var(--digit-font-size) + var(--digit-gap-in-column)))); */
    transition: transform 0.5s;
}

.digit {
    font-family: monospace;
    color: var(--accent-color);
    font-size: var(--digit-font-size);
    line-height: var(--digit-font-size);
    text-align: center;
}