Module:Timeline/styles.css

.mdl-timeline {
	background-color: #efefef;
	padding: 0.3em;
	line-height: 1.4;
	font-family: Sans-Serif;
	margin-bottom: 1em;
}
.mdl-timeline .mw-selflink {
	font-weight: bolder;
	border: 1px solid #ccc;
	border-radius: 7px;
	padding: 0 0.2em;
}
.mdl-timeline-index a {
  display: inline-block;
  padding: 0.1em 0.3em;
}
.mdl-timeline-main-header {
  display: inline-block;
  margin-right: 2em;
}