body {
    background-color: #1b1b1b;
    color: #b1b1b1
}

.challenge-page {
    padding: 15px;
    text-align: center;
    margin-top: 50px;
}

img.c0 {
    margin-top: 15%;
    max-width: 100%;
    max-height: 100%;
    margin: 0 auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

a,
a:hover,
a:visited,
a:active {
    color: #ff8100
}

a:hover {
    text-decoration: none;
    border-bottom: 1px solid #ff8100;
    padding-bottom: 1px;
}


.countdown-timer-wrapper {
    border-radius: 5px;
    background-color: rgba(0, 0, 0, 0.6);
    margin-bottom: 20px;
    max-width: 300px;
    margin: 50px auto;
    position: absolute;
    top: 0;
    right: 50px;
}

.countdown-timer-wrapper h5 {
    font-size: 14px;
    letter-spacing: 0.5px;
    text-align: center;
    padding-top: 10px;
    text-shadow: none;
}

.countdown-timer-wrapper .timer {
    padding: 10px;
    text-align: center;
    padding-top: 15px;
}

.countdown-timer-wrapper .timer .timer-wrapper {
    display: inline-block;
    width: 60px;
    height: 50px;
}

.countdown-timer-wrapper .timer .timer-wrapper .time {
    font-size: 28px;
    font-weight: bold;
    color: #ffffff;
}

.countdown-timer-wrapper .timer .timer-wrapper .text {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}