.motion-divider{width:100%;height:2px;margin:20px 0;position:relative;background-color:#B0BEC5;overflow:hidden}.motion-divider::after{content:'';position:absolute;top:0;left:0;width:20%;height:100%;background-color:#90CAF9;animation:motion 4s infinite linear;border-radius:2px}@keyframes motion{0%{left:0}50%{left:80%}100%{left:0}}@media (max-width:768px){.motion-divider::after{width:30%}}