Template:Multiple image/styles.css

/* Note this will not work on old devices that do not support media queries. Ideally this should be defaults. */
@media all and ( max-width: 720px ) {
	.tmulti > .thumbinner {
		/* not !important usage can be removed when these are no longer inline styles
		inside Template:Multiple image and media query using min-width is introduced */
		width: 100% !important;
	}
	.tmulti .tsingle {
		/* not !important usage can be removed when these are no longer inline styles
		inside Template:Multiple image and media query using min-width is introduced */
	    float: none !important;
	    max-width: none !important;
	    width: 100% !important;
	    text-align: center;
	}
}