File: htdocs/class/xoopseditor/tinymce5/js/tinymce/plugins/xoopsimagemanager/css/xoopsimagemanager.css

.center, .txtcenter {
    text-align: center;
}

.xo-actions button img, .xo-actions a img, .xo-actions img {
    padding: 0 2px;
    border: none;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.card-imagemanager img {
    height: 150px;
    object-fit: cover;
    transition: all .30s ease-in-out;
}