#challenge-page{
    margin-left: 20%;
    width: 80%;
    padding: 20px;
    padding-top: 110px;
    background-image: url('../img/grunge-paper-background.jpg');
    border: groove #000 5px;
}


#challenge-page a, #challenge-page button, #challenge-page a:visited{
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 5px;
    border: none;
    padding: 5px 10px;
    color: #ccc;
    text-decoration: none;
    transition: 0.2s;
}

#challenge-page a:hover, #challenge-page button:hover{
    background-color: rgba(0, 0, 0, 0.8);
    cursor: pointer;
}

#challenge-page .current-challenge{
    margin-top: 20px;
    display: flex;
    justify-content: center;
}