#video{
    padding-top: 20px;
}
.heading2{
    text-align: center;
    padding-top: 10px;
    font-weight: 300;
    font-size: 24px;
}
/* .card{
    margin-bottom: 30px;
    border: none;
} */
.row{
    margin-bottom: 30px;
}
/* #mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
} */