.rich-text img {
	max-width: 100%;
	height: auto;
}

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

Make images and embeds responsive.
Make images and embeds responsive.
