.tabs_content_left {
	/*animation: topbot 1.5s infinite;*/
}

@keyframes topbot {
  0%  { margin-top: 1px; }
  20% { margin-top: 2px; }
  40% { margin-top: 3px; }
  60% { margin-bottom: 1px; }
  80% { margin-bottom: 2px; }
  100% { margin-bottom: 3px; }
}