.bt-black{
    border-bottom:1px solid #000;
}
.action-Home .is-section {
    border-bottom: 1px solid #000;
}
.embed-responsive.embed-responsive-16by9 {
    padding-bottom: 56.25%;
}

.embed-responsive {
    position: relative;
    display: block;
    height: 0;
    padding: 0;
    overflow: hidden;
    margin-top: 1.4em;
    margin-bottom: 1em;
}
.embed-responsive {
    margin-top: 0em;
    margin-bottom: 0em;
}

.embed-responsive-inner {
    position: relative;
    padding-bottom: 200%;
    transform: translateY(-35.95%);
}