[Theme Horse Support Team]

Hi there,

We will fix this in next version update.
Meanwhile, login to your WP Dashboard and go to Appearance > Customize > Additional CSS and paste the below custom css code:

.wp-block-embed {
	position: relative;
}
.wp-block-embed.wp-embed-aspect-1-1 .wp-block-embed__wrapper,
.wp-block-embed.wp-embed-aspect-1-2 .wp-block-embed__wrapper,
.wp-block-embed.wp-embed-aspect-16-9 .wp-block-embed__wrapper,
.wp-block-embed.wp-embed-aspect-18-9 .wp-block-embed__wrapper,
.wp-block-embed.wp-embed-aspect-21-9 .wp-block-embed__wrapper,
.wp-block-embed.wp-embed-aspect-4-3 .wp-block-embed__wrapper,
.wp-block-embed.wp-embed-aspect-9-16 .wp-block-embed__wrapper {
	position: relative;
	display: block;
	width: 100%;
	padding: 0;
	overflow: hidden;
}
.wp-block-embed.wp-embed-aspect-1-1 .wp-block-embed__wrapper:after,
.wp-block-embed.wp-embed-aspect-1-2 .wp-block-embed__wrapper:after,
.wp-block-embed.wp-embed-aspect-16-9 .wp-block-embed__wrapper:after,
.wp-block-embed.wp-embed-aspect-18-9 .wp-block-embed__wrapper:after,
.wp-block-embed.wp-embed-aspect-21-9 .wp-block-embed__wrapper:after,
.wp-block-embed.wp-embed-aspect-4-3 .wp-block-embed__wrapper:after,
.wp-block-embed.wp-embed-aspect-9-16 .wp-block-embed__wrapper:after {
	display: block;
	content: "";
	clear: both;
}
.wp-block-embed.wp-embed-aspect-1-1 .wp-block-embed__wrapper iframe,
.wp-block-embed.wp-embed-aspect-1-2 .wp-block-embed__wrapper iframe,
.wp-block-embed.wp-embed-aspect-16-9 .wp-block-embed__wrapper iframe,
.wp-block-embed.wp-embed-aspect-18-9 .wp-block-embed__wrapper iframe,
.wp-block-embed.wp-embed-aspect-21-9 .wp-block-embed__wrapper iframe,
.wp-block-embed.wp-embed-aspect-4-3 .wp-block-embed__wrapper iframe,
.wp-block-embed.wp-embed-aspect-9-16 .wp-block-embed__wrapper iframe {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 100%;
}
.wp-block-embed.wp-embed-aspect-1-1 .wp-block-embed__wrapper:before,
.wp-block-embed.wp-embed-aspect-1-2 .wp-block-embed__wrapper:before,
.wp-block-embed.wp-embed-aspect-16-9 .wp-block-embed__wrapper:before,
.wp-block-embed.wp-embed-aspect-18-9 .wp-block-embed__wrapper:before,
.wp-block-embed.wp-embed-aspect-21-9 .wp-block-embed__wrapper:before,
.wp-block-embed.wp-embed-aspect-4-3 .wp-block-embed__wrapper:before,
.wp-block-embed.wp-embed-aspect-9-16 .wp-block-embed__wrapper:before {
	content: "";
	display: block;
}
.wp-block-embed.wp-embed-aspect-1-1 .wp-block-embed__wrapper:before {
	padding-top: 100%;
}
.wp-block-embed.wp-embed-aspect-1-2 .wp-block-embed__wrapper:before {
	padding-top: 200%;
}
.wp-block-embed.wp-embed-aspect-16-9 .wp-block-embed__wrapper:before {
	padding-top: 56.25%;
}
.wp-block-embed.wp-embed-aspect-18-9 .wp-block-embed__wrapper:before {
	padding-top: 50%;
}
.wp-block-embed.wp-embed-aspect-21-9 .wp-block-embed__wrapper:before {
	padding-top: 42.85%;
}
.wp-block-embed.wp-embed-aspect-4-3 .wp-block-embed__wrapper:before {
	padding-top: 75%;
}
.wp-block-embed.wp-embed-aspect-9-16 .wp-block-embed__wrapper:before {
	padding-top: 50%;
}

Thank you!