una/studio/template/css/storages.css

/*--- Keys page -> Add Key block ---*/
div.bx-strg-resize-file {}
div.bx-strg-resize-file-cnt {}

div.bx-strg-rf-img img {
	max-width: 440px;
	max-width: 27.5rem;
	max-height: 440px;
	max-height: 27.5rem;
}