.fluid-width-video-wrapper {
    width: 100%;
    position: relative;
    padding: 0;
}
.fluid-width-video-wrapper iframe,
.fluid-width-video-wrapper object,
.fluid-width-video-wrapper embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}