add margin

themes/hugo-universal-theme-master/static/css/style.bhouse.css

@@ -1129,6 +1129,7 @@ input[type=search]::-webkit-search-cancel-button {
 }
 
 .img-height-vw {
+  margin: auto;
   height: 35vw !important;
 }
 @media (max-width: 767px) {

themes/hugo-universal-theme-master/static/css/style.bhouse.scss

@@ -1252,6 +1252,7 @@ input[type="search"]::-webkit-search-cancel-button {
 }
 
 .img-height-vw {
+  margin: auto;
   height: 35vw !important;
   @media (max-width: 767px) {
     height: 65vw !important;