.capthcha{position:relative;overflow:hidden;width:302px;height:76px;border-radius:8px;background:#cacaca}.capthcha{animation:shimmer 2s infinite linear;background-image:linear-gradient(90deg,#fff0 25%,#ffffffb3 50%,#fff0);background-repeat:no-repeat;background-size:200% 200%}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}