[v-cloak] {
    display: none;
}

body {
    background-color: #212529;
}

th, td {
    background-color: rgba(0, 0, 0, 0) !important;
}

#start-session-button {
    width: 150px;
}

.video-stream {
    object-fit: cover;
    object-position: center center;
}

.video-stream.loading {
    filter: brightness(25%);
}

.overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 999;
}

.flash {
    animation: flash 1s;
}

.v-enter-active,
.v-leave-active {
    transition: opacity 0.2s ease;
}

.v-enter-from,
.v-leave-to {
    opacity: 0;
}

@keyframes flash {
    0%, 50%, 100% {
        opacity: 1;
    }
    25%, 75% {
        opacity: 0;
    }
}