MediaWiki:Common.css
/* CSS placed here will be applied to all skins */
p {
background: red;
line-height: 0.2;
font-family: monospace, Courier;
style="line-height: 1.2;"
}
p::before {
font-weight: bold;
color: navy;
content: "style='line-height: 1.2;'";
}