[Theme Horse Support Team]

Hi there,

Please paste below custom CSS code in Appearance > Customize > Additional CSS

.post-grid .entry-wrap:before {
	content: "";
	display: block;
	padding-top: 70%;
}
.post-grid .entry-wrap {
	position: relative;
	display: block;
	background-position: center center;
	background-size: cover;
}
.post-grid .entry-main {
	padding: 20px;
	position: absolute;
	top: 0;
	bottom: 0;
	width: 100%;
	overflow: auto;
}

Thank you!