<style>
    .responsive-video {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    margin: 0 auto;
    }
    .responsive-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    }
    .content-wrapper {
    padding: 20px;
    }
    @media (min-width: 768px) {
    .content-wrapper {
    padding: 30px;
    }
    }
</style>