#toolbar {
    [data-op3-element-options-type="numberblockitem"] {
        .op3-element-options-property.jquery-filter-button-content {
            .op3-element-options-label-group {
                display: none;
            }
        }
        // Hide column gutter in advanced options when
        // Arrangement in Number Block Styling
        // is set to vertical
        &[data-op3-parent-options-property-value-block-arrangement="1"] {
            [data-op3-element-options-property-id="gutter"] {
                display: none;
            }
        }
    }

    // restrict numberblockitem children
    [data-op3-element-options-path*="/numberblockitem/"] {
        [data-op3-toolbar-nav-id="clone"],
        [data-op3-toolbar-nav-id="delete"],
        [data-op3-toolbar-nav-id="move"] {
            display: none;
        }
    }
}

// Lock margin & margin handles to prevent layout breaking
form[data-op3-element-options-type="numberblockitem"] {
    .op3-boxmodel {
        .op3-boxmodel-margin-top,
        .op3-boxmodel-margin-bottom,
        .op3-boxmodel-margin-left,
        .op3-boxmodel-margin-right {
            pointer-events: none;
            opacity: 0.5;

            & + .op3-boxmodel-handler {
                display: none;
            }
        }
    }
}