style.css

body {
    font-family: "Palatino", Georgia, serif;
    color: #41381A;
    background: #A6CCBA;
}

.egg {
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    display: grid;
    align-items: center;
    position: absolute;
    border-style: solid;
    border-width: 4px;
    border-radius: 50% 60% 50% 50% / 70% 70% 40% 40%;
    background: #FFEFCA;
    border-color: #41381A;
    animation: wiggle 2s ease 0s infinite normal forwards;
}

.egg.ready {
    animation: wiggle_more 2s ease 0s infinite normal forwards;
}

.top-bar {
    display: flex;
    justify-content: center;
}

.controls {
    display: inline-block;
    padding: 10px;
    border-radius: 10px;
    border-width: 4px;
}

.time-control {
    cursor: pointer;
    user-select: none;
    padding: 10px;
    font-size: 64px;
    font-weight: bold;
}

#pan {
    width: 100%;
    height: 100vh;
}

/*https://stackoverflow.com/questions/53544872/how-to-style-the-input-type-time*/
input[type=time] {
    border: none;
    background: none;
    font-size: 64px;
    font-family: "Palatino", Georgia, serif;;
    color: #41381A;
}

input[type="time"]::-webkit-calendar-picker-indicator {
    display: none;
}

@keyframes wiggle {
    0%,
    100% {
        transform: rotate(0deg);
        transform-origin: 50% 50%;
    }

    10% {
        transform: rotate(2deg);
    }

    20%,
    40%,
    60% {
        transform: rotate(-3deg);
    }

    30%,
    50%,
    70% {
        transform: rotate(3deg);
    }

    80% {
        transform: rotate(-2deg);
    }

    90% {
        transform: rotate(2deg);
    }
}

@keyframes wiggle_more {
    0%,
    100% {
        transform: rotate(0deg);
        transform-origin: 50% 50%;
    }

    10% {
        transform: rotate(8deg);
    }

    20%,
    40%,
    60% {
        transform: rotate(-10deg);
    }

    30%,
    50%,
    70% {
        transform: rotate(10deg);
    }

    80% {
        transform: rotate(-8deg);
    }

    90% {
        transform: rotate(8deg);
    }
}