.op3-element[data-op3-element-type="courselistitem"] {
    .op3-element-courselistitem__container[data-op3-post-id="-1"] {
        .op3-element-courselistitem__children::before {
            content: "dummy data";
            position: absolute;
            display: block;
            right: 8px;
            top: 8px;
            padding: 2px 8px;
            font-size: 10px;
            border-radius: 11px;
            background: #0175ff;
            color: #fff;
            box-shadow: rgba(0,0,0,0.25) 0 0 8px 2px;
            z-index: 1000;
            opacity: 0.75;
            pointer-events: none;
            transition: 0.1s ease;
        }

        .op3-element-courselistitem__children:hover::before {
            opacity: 0
        }
    }
}