.image-credits-txt {
    display: none;
}

.image-credits-txt:before {
    content: attr(data-credits);
    font-style: italic;
}

p > .image-credits-link {
    margin: 20px auto;
}

.image-credits-link {
    display: inline-block;
    padding: 10px 20px;
    background-color: #6c757d;
    color: #ffffff;
    text-align: center;
    text-decoration: none;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    margin: 0 auto;
}

.image-credits-link:focus {
    outline: 2px solid #adb5bd;
    outline-offset: 2px;
}

.image-credits-link:hover {
    background-color: #5a6268;
    color: #ffffff;
}