@keyframes flickerAnimation {
    0%   { opacity:1; }
    60%  { opacity:1; }
    80%  { opacity:0; }
    100% { opacity:1; }
}
@-o-keyframes flickerAnimation{
    0%   { opacity:1; }
    60%  { opacity:1; }
    80%  { opacity:0; }
    100% { opacity:1; }
}
@-moz-keyframes flickerAnimation{
    0%   { opacity:1; }
    60%  { opacity:1; }
    80%  { opacity:0; }
    100% { opacity:1; }
}
@-webkit-keyframes flickerAnimation{
    0%   { opacity:1; }
    60%  { opacity:1; }
    80%  { opacity:0; }
    100% { opacity:1; }
}
.shimmer {
    -webkit-animation: flickerAnimation 5s infinite;
    -moz-animation: flickerAnimation 5s infinite;
    -o-animation: flickerAnimation 5s infinite;
    animation: flickerAnimation 5s infinite;
}