Switched handling of minimum event width to CSS

css/laps.css

@@ -39,6 +39,7 @@
   transition: width 0.6s ease;
   position: absolute;
   border-left: 1px solid #f5f5f5;
+  min-width: 2px;
 }
 #wpadminbar .laps-timeline .event-theme {
   background-color: #5cb85c;

css/laps.less

@@ -51,6 +51,7 @@
 		.transition(width .6s ease);
 		position: absolute; // disable stacking at start
 		border-left: 1px solid @timeline-bg;
+		min-width: 2px;
 	}
 
 	.laps-timeline .event-theme {