.mod_countdown{
    text-align:center;
    font-size:100%;
    background:#3d3d3d; 
    color: blue;
}
@-webkit-keyframes my {
0% { color: #f7f4e4; }
25% { color: #f7ecb7; }
50% { color: #f5e495; }
75% { color: #f2d44b; }
100% { color: #F8CD0A; }
}
@-moz-keyframes my {
0% { color: #f7f4e4; }
25% { color: #f7ecb7; }
50% { color: #f5e495; }
75% { color: #f2d44b; }
100% { color: #F8CD0A; }
}
@-o-keyframes my {
0% { color: #F8CD0A; }
50% { color: #fff; }
100% { color: #F8CD0A; }
}
@keyframes my {
0% { color: #f7f4e4; }
25% { color: #f7ecb7; }
50% { color: #f5e495; }
75% { color: #f2d44b; }
100% { color: #F8CD0A; }
}
.mod_countdown {
font-weight:bold;
-webkit-animation: my 4000ms infinite;
-moz-animation: my 4000ms infinite;
-o-animation: my 4000ms infinite;
animation: my 4000ms infinite;
}