en:MediaWiki:Common.css

/**
 * hiddenStructure
<pre>
*/

.if {display: none}

/* Infobox template style */

.infobox {
   border: 1px solid #aaaaaa;
   background-color: #f9f9f9;
   color: black;
   margin-bottom: 0.5em;
   margin-left: 1em;
   padding: 0.2em;
   float: right;
   clear: right;
}
.infobox td,
.infobox th {
   vertical-align: top;
}
.infobox caption {
   font-size: larger;
   margin-left: inherit;
}
.infobox.bordered {
   border-collapse: collapse;
}
.infobox.bordered td,
.infobox.bordered th {
   border: 1px solid #aaaaaa;
}
.infobox.bordered .borderless td,
.infobox.bordered .borderless th {
   border: 0;
}

.infobox.sisterproject {
   width: 20em;
   font-size: 90%;
}

/* Style for "notices" */
.notice {
    margin: 1em;
    padding: 0.2em;
}

#disambig {
    border-top: 1px solid #ccc; 
    border-bottom: 1px solid #ccc;
}

#spoiler {
    border-top: 2px solid #ddd;
    border-bottom: 2px solid #ddd;
}

/* Messagebox templates */

/* NOTE: Most Wikipedia messagebox styles are not yet implemented at Wikiquote.
 * Please thoroughly test any updates imported from Wikipedia.
 */

.messagebox.standard-talk {
   border: 1px solid #c0c090;
   background-color: #f8eaba;
}

/*
</pre>
*/

/* Unbulleted lists */
.plainlist ol,
.plainlist ul {
	line-height: inherit;
	list-style: none none;
	margin: 0;
}
.plainlist ol li,
.plainlist ul li {
	margin-bottom: 0;
}

/* T156351: Support for Parsoid's Cite implementation */
span[ rel="mw:referencedBy" ] { 
    counter-reset: mw-ref-linkback 0;
}
span[ rel="mw:referencedBy" ] > a::before {
    content: counter( mw-ref-linkback, lower-alpha );
}