.flip-clock *, .flip-clock *:before, .flip-clock *:after {
    box-sizing: border-box;
}
.flip-clock {
    width: 100%;
    max-width: max-content;
    display: grid;
    grid-gap: 7px;
    grid-template-columns: repeat(4, auto);
    /* margin: 0 auto; */
}
.flip-clock__piece {
    display: inline-block;
    text-align: center;
}
.flip-clock__slot {
    font-size: 14px;
}
.clock-card {
    display: block;
    position: relative; 
    padding-bottom: 12px;
    font-size: 25px;
    line-height: 30px;
    margin-bottom: 5px;
}
.card__top,
.card__bottom,
.card__back::before,
.card__back::after {
    display: block;
    height: 28px;
    color: #ccc;
    background: #1f1e1e;
    padding: 7px;
    font-weight: 700;
    border-radius: 8.5px 8.5px 0 0;
    backface-visibility: hidden;
    transform-style: preserve-3d;
    width: 57px;
    transform: translateZ(0);
}
.card__bottom { 
    color: #fff;
    position: absolute;
    top: 50%;
    left: 0;
    border-top: solid 1px #000;
    background: #383636;
    border-radius: 0 0 8.5px 8.5px;
    pointer-events: none;
    overflow: hidden;
}
.card__bottom::after {
    display: block;
    margin-top: -20px;
}
.card__back::before,
.card__bottom::after {
    content: attr(data-value);
}
.card__back {
    position: absolute;
    top: 0;
    height: 100%;
    left: 0%;
    pointer-events: none;
}
.card__back::before {
    position: relative;
    z-index: -1;
    overflow: hidden;
}
.flip .card__back::before {
    animation: flipTop 0.3s cubic-bezier(.37,.01,.94,.35);
    animation-fill-mode: both;
    transform-origin: center bottom;
}
.flip .card__back .card__bottom {
    transform-origin: center top;
    animation-fill-mode: both;
    animation: flipBottom 0.6s cubic-bezier(.15,.45,.28,1); // 0.3s; 
}
@keyframes flipTop {
    0% {
        transform: rotateX(0deg);
        z-index: 2;
    }
    0%, 99% {
        opacity: 0.99;
    }
    100% {
        transform: rotateX(-90deg);
        opacity: 0;
    }
}
@keyframes flipBottom {
    0%, 50% {
        z-index: -1;
        transform: rotateX(90deg);
        opacity: 0;
    }
    51% {
        opacity: 0.99;
    }
    100% {
        opacity: 0.99;
        transform: rotateX(0deg);
        z-index: 5;
    }
}
.ddwcpo-circle-clock, .ddwcpo-square-clock {
    width: 100%;
    max-width: max-content;
    display: grid;
    grid-gap: 7px;
    grid-template-columns: repeat(4, auto);
}
.ddwcpo-circle-countdown-container {
    box-sizing: border-box;
    width: 67px;
    height: 67px;
    display: grid;
    grid-template-rows: 65% 35%;
    text-align: center;
    background: transparent;
    border-style: solid;
    border-radius: 50%;
    border-width: 2.8px;
    border-color: #ececec;
    color: #212121;
}
.ddwcpo-circle-countdown {
    font-size: 1.8em;
    margin-top: 10px;
    font-weight: 600;
    line-height: 1.3;
}
.ddwcpo-circle-countdown-label {
    font-size: 10px;
    font-weight: 600;
}
.ddwcpo-square-countdown-container {
    text-align: center;
}
.ddwcpo-square-countdown {
    font-size: 1.8em;
    font-weight: 600;
    line-height: 1.3;
    box-sizing: border-box;
    width: 55px;
    height: 55px;
    display: grid;
    text-align: center;
    background: transparent;
    border-style: solid;
    border-width: 2.8px;
    border-color: #999;
    color: #212121;
    align-items: center;
}
.ddwcpo-square-countdown-label {
    font-size: 14px;
    font-weight: 600;
}