.card{
    width: 350px;
    opacity: 0.8;
    z-index: 12;
    border-radius: 16px;
    box-shadow: 0 0 16px rgba(0, 0, 0, .3);
    background-color: hsla(0, 2%, 57%, 0.452);
    color:#fff;
    font-weight: bold;
    margin-top: 100px;
}

.card-title{
    color:#fff;
    font-weight: bold;
}

.bg-video{
    position: fixed;
    min-width: 100%;
    min-height: 100%;
    left: 50%;
    top: 20%;
    z-index: 0;
    transform: translate(-50%, -20%);
}

.bg-video-mask{
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 9;
    background-color: rgba(0, 0, 0, .4);
}