#mainf {
	overflow-y: hidden;
	background-color: #6cb345;
}
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border: none;
    overflow: hidden;
}
.video-container iframe,
.video-container object,
.video-container embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}