body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

#app_loading {
    align-items: center;
    background: rgba(0, 0, 0, .4);
    display: flex;
    height: 100%;
    justify-content: center;
    left: 0;
    overflow: hidden;
    position: fixed;
    width: 100%;
    text-align: center;
    top: 0;
    z-index: 100000;
}

.app_timer-container {
    align-items: center;
    display: flex;
    justify-content: space-around;
    padding: 1rem 0;
}

.app_timer-separator {
    height: 3rem;
    width: 1px;
}

.app_timer-value {
    font-size: 7vw;
}