Template:Spoiler/styles.css

div.spoiler_box {
	padding: 0;
	border: 1px solid #bc7d7d;
}

.spoiler_box .spoiler_box_title {
	text-align: center;
	font-size: 1.2em;
	font-weight: bold;
	background-color: #493939;
}

.spoiler_box .mw-collapsible-content {
	text-align: left;
	border-top: 1px solid #ccc;
	padding: 1em;
}

@media all and (max-width:719px) {
	.spoiler_box .mw-collapsible-content {
		display: block !important;
	}
}