Add html page

static/styles/common.css

@@ -0,0 +1,37 @@
+body {
+    font-family: Ubuntu;
+}
+
+h1 {
+    text-decoration: underline;
+    text-decoration-color: gray;
+    margin-top: 0.1em;
+    margin-bottom: 0.4em;
+    font-style: italic;
+    letter-spacing: 0.2em;
+    font-size: 2em;
+}
+
+.service_list {
+}
+
+.service_entry {
+    margin-top: 0.6em;
+    margin-bottom: 0.6em;
+}
+
+.service_name {
+    color: #19345e;
+}
+
+.service_status {
+    padding: 0.2em;
+    color: white;
+}
+
+.last_update {
+}
+
+.last_update_time {
+    color: purple;
+}