.loadingbar-container{text-align:-9999px;background-color:#bbb;width:100px;height:5px;position:relative;overflow:hidden}.loadingbar-container:before{content:"";background:#4a8559;height:5px;animation:6s ease-in-out infinite lefttoright;position:absolute;top:0}@keyframes lefttoright{0%{width:0;left:0}50%{width:50px}to{width:0%;left:100%}}