body {
    background-image: url('sushi.jpg');
    background-size: 10%;
}

#countdowns {
    font-family: 'Comic Sans MS';
    font-size: 64px;
    background-image: repeating-linear-gradient(to left, violet, indigo, blue, green, orange, red, violet);
    -webkit-background-clip: text;
    color: transparent;
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rainbow 6s ease infinite;
    -webkit-text-stroke-width: 1px;
    -webkit-text-stroke-color: black;
    filter: drop-shadow(7px 7px 4px black);
}

#countdowns > div {
    margin: 18px;
}

@keyframes rainbow { 
    0%{background-position:0% 50%}
    50%{background-position:100% 25%}
    100%{background-position:0% 50%}
}