From Meta, a Wikimedia project coordination wiki
.cronos-event-container {
max-width:700px;
padding:5px 15px;
margin:10px 0 !important;
background-color: rgba(51, 153, 102, 0.5);
border-radius:15px 0 15px 0;
box-shadow:0 2px 2px 0 rgba(0,0,0,0.14),0 3px 1px -2px rgba(0,0,0,0.12),0 1px 5px 0 rgba(0,0,0,0.2);
}
.cronos-event-container h4 {
border-left:5px solid white;
padding:1em 0 1em 1em;
}
.cronos-event-container .cronos-event-line {
display:table;
border-left:5px solid white;
padding-left: 5px;
padding-top:0.3em;
}
.cronos-event-container .cronos-event-icon {
text-align:center;
width: 1em;
margin:0.1em 0 0.2em 0;
padding-left:0.5em;
padding-right:0.5em;
display:table-cell;
}
.cronos-event-container .cronos-event-line-content {
display:table-cell;
}
.cronos-event-container .cronos-event-link a {
font-weight: bold;
}
.cronos-event-container .cronos-event-line-head {
font-weight:bold;
}