Improve life calendar and add it to header

server/static/styles/common.css

@@ -241,20 +241,26 @@ ul.striped_list > li:nth-child(odd) ul li:nth-child(odd)  { background-color:#30
 	margin: auto;
 }
 
-.life_calendar > p {
+.life_calendar > span {
+	display: contents;
+}
+
+.life_calendar > span > p {
 	height: 0.5em;
 	width: 0.5em;
 	margin: 0.1em;
 	border: solid 0.05em;
 	border-radius: 0.5em;
+	background-color: inherit;
 }
 
 .life_calendar_ticker {
 	position: relative;
-	top: -20rem;
+	top: -16rem;
 	width: 100%;
 	text-align: center;
 	font-size: 10rem;
+	font-family: "Ubuntu Mono";
 }
 
 .life_calendar_ticker > h1 {