Responsive iframe WordPress
div class=”iframe-container”
iframe src=”” allowfullscreen /iframe
/div
.iframe-container {
overflow: hidden;
padding-top: 56.25%;
position: relative;
}
.iframe-container iframe {
border: 0;
height: 100%;
left: 0;
position: absolute;
top: 0;
width: 100%;
}
/* 4×3 Aspect Ratio */
.iframe-container-4×3 {
padding-top: 75%;
}