Smaller annotations and better handle large numbers

Author: simonv3

client/styles/components/annotation.import.less

@@ -33,14 +33,15 @@
 }
 
 .annotation-indicator {
-  width: 50px;
+  min-width: 40px;
   position: absolute;
-  left: -25px;
-  top: -25px;
-  height: 50px;
+  padding: 0 9px;
+  left: -20px;
+  top: -20px;
+  height: 40px;
   display: block;
   text-align: center;
-  line-height: 50px;
+  line-height: 40px;
   border-radius: 100%;
   background-color: @annotation-color;
   color: white;