body {
}

.masthead {
    width: 45%;
}

.flotante {
    position: fixed;
    z-index: 1000;
    overflow: hidden;
    width: 30%;
    margin-left: 35%;
    border: 1px solid black;
    background-color: white;
    transition: all .8s ease;
}

.efecto {
    transition: all .8s ease;
    opacity: 0;
}

.card-header {
    background-color: #FFA00E;
    color: white;
}

.card-footer {
    overflow: hidden;
}



@media screen and (max-width: 900px) {
    .video {
        display:none;
    }


    .masthead {
        width:100%;
        height: 100%;
    }

    .flotante {
        width: 100%;
        margin: auto;
    }

    .masthead-bg {
        height: 100%;

    }

    body {
        background:white;
    }

}