Template:Multiple image/styles.css

/* --- Missing Thumbnail Border Fix --- */
.thumb {
	margin-bottom: 0.5em;
	border: 0;
}
.thumbinner {
	border: 1px solid #ccc; /* This is the border/outline */
	padding: 3px;
	background-color: #f9f9f9;
	overflow: hidden;
}
.tright {
	float: right;
	clear: right;
	margin: 0.5em 0 1.3em 1.4em;
}
.tleft {
	float: left;
	clear: left;
	margin: 0.5em 1.4em 1.3em 0;
}
.tnone {
	margin: 0.5em auto;
}

/* --- Original Template Code --- */
.multiimageinner {
	display: flex;
	flex-direction: column;
}

.trow {
	display: flex;
	flex-direction: row;
	clear: left;
	flex-wrap: wrap;
	width: 100%;
	box-sizing: border-box;
}

.tsingle {
	margin: 1px;
	float: left;
}

.theader {
	clear: both;
	font-weight: bold;
	text-align: center;
	align-self: center;
	background-color: transparent;
	width: 100%;
}

.thumbcaption {
	background-color: transparent;
}

.text-align-left {
	text-align: left;
}

.text-align-right {
	text-align: right;
}

.text-align-center {
	text-align: center;
}

@media all and ( max-width: 720px ) {
	.thumbinner {
		width: 100% !important;
		box-sizing: border-box;
		max-width: none !important;
		align-items: center;
	}
	.trow {
		justify-content: center;
	}
	.tsingle {
	    float: none !important;
	    max-width: 100% !important;
	    box-sizing: border-box;
	    text-align: center;
	}
	.tsingle .thumbcaption {
		text-align: left;
	}
	.trow > .thumbcaption {
		text-align: center;
	}
}

@media screen {
	html.skin-theme-clientpref-night .multiimageinner span:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent) img {
		background-color: white;
	}
}
@media screen and (prefers-color-scheme: dark) {
	html.skin-theme-clientpref-os .multiimageinner span:not(.skin-invert-image):not(.skin-invert):not(.bg-transparent) img {
		background-color: white;
	}
}