html, body {
    display: flex;
    height: 100%;
    width: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

body {
    position: relative;
    background-color: var(--backgroundColor);
    color: var(--textColor);
    font-family: Roboto, Helvetica Neue, sans-serif;
    text-align: center;
}

/* commons */
.current-sprint, .countdown-container,
.sprint-number, .countdown {
    margin: 0;
}


@media (orientation: landscape) {
    .current-sprint, .countdown-container {
        font-size: 5vh;
    }

    .sprint-number, .countdown {
        font-size: 20vh;
    }

    .current-time {
        font-size: 6vh;
    }
}

@media (orientation: portrait) {
    .current-sprint, .countdown-container {
        font-size: 3vw;
    }

    .sprint-number, .countdown {
        font-size: 10vw;
    }

    .current-time {
        font-size: 1vh;
    }
}

.separator {
    width: calc(100% - 32px);
    height: 1px;
    background-color: var(--textColor);
    opacity: .2;
}


/* sprint number */
.current-sprint {

}

.sprint-number {

}

/* countdown until next sprint */
.countdown-container {

}

.countdown {

}


/* current time */
.current-time {
    position: absolute;
    right: 16px;
    bottom: 16px;
}