Template:Hidden/styles.css

.tpl-hidden {
	clear: both;
}
.tpl-hidden > .mw-collapsible-toggle {
	float: none;
}
/* Hide the default toggle’s placeholder during loading */
.tpl-hidden::before {
	display: none;
}
html.client-js .tpl-hidden-headertext {
	padding-left: 18px;
}
.tpl-hidden.mw-made-collapsible > .mw-collapsible-toggle > .tpl-hidden-headertext {
	background-image: url(https://upload.wikimedia.org/wikipedia/commons/1/10/MediaWiki_Vector_skin_action_arrow.png);
	background-position: left 50%;
	background-repeat: no-repeat;
}

.mw-content-ltr .tpl-hidden.mw-made-collapsible.mw-collapsed > .mw-collapsible-toggle > .tpl-hidden-headertext {
	background-image: url(https://upload.wikimedia.org/wikipedia/commons/4/41/MediaWiki_Vector_skin_right_arrow.png);
}

.mw-content-rtl .tpl-hidden.mw-made-collapsible.mw-collapsed > .mw-collapsible-toggle > .tpl-hidden-headertext {
	background-image: url(https://upload.wikimedia.org/wikipedia/commons/1/1e/MediaWiki_Vector_skin_left_arrow.png);
}