.responsive-object {
    position: relative;
    width: 50%;
    max-width: 80%;
    margin: 0 auto;
    padding-bottom: 33% !important;
}

.responsive-object iframe,
.responsive-object object,
.responsive-object embed {
    padding: 0px;
    margin: 0px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}