.single-body-content iframe[src*="youtube.com/embed/"],
.single-body-content iframe[src*="youtube-nocookie.com/embed/"],
.single-body-content iframe[src*="www.youtube.com/watch"],
.single-body-content iframe[src*="youtu.be/"] {
    box-sizing: border-box;
    max-width: 100%;
    border: 6px solid #edf0f2;
    border-radius: 8px;
    background: #edf0f2;
}