.parpadea{animation-name:parpadeo;animation-duration:.5s;animation-timing-function:linear;animation-iteration-count:infinite;-webkit-animation-name:parpadeo;-webkit-animation-duration:.5s;-webkit-animation-timing-function:linear;-webkit-animation-iteration-count:infinite}@keyframes parpadeo{0%{opacity:1}50%{opacity:0}to{opacity:1}}