@keyframes flashColors {
    0%, 33.33% { color: #FFFFFF; text-shadow: 0 0 5px #FFFFFF, 0 0 10px #FFFFFF; }
    33.34%, 66.66% { color: #FFFF00; text-shadow: 0 0 5px #FFFF00, 0 0 10px #FFFF00; }
    66.67%, 100% { color: #39FF14; text-shadow: 0 0 5px #39FF14, 0 0 10px #39FF14; }
}

.opening-hours {
    color: white;
    animation: flashColors 3s infinite;
}

.oht {
    animation: flashColors 3s infinite;
}