.op3-element[data-op3-element-type="form"] {

    // no drop
    #op3-designer-element > [data-op3-children].op3-element-dragstart & {
        pointer-events: none;
    }

    [data-op3-children]:empty,
    [data-op3-children="1"] {
        &::before {
            content: "\efc3";
            position: relative;
            display: block;
            left: auto;
            top: auto;
            font-family: "op3-icons";
            font-size: 2em;
            line-height: 2;
            text-align: center;
            color: rgba(200,200,200,0.5);
            transform: none;
        }

        .op3-element {
            display: none !important;
        }
    }

    #op3-designer-element > [data-op3-children].op3-element-dragstart & {
        pointer-events: none;
    }

}