urho3d/Bin/Data/UI/EditorInspector_Style.xml

<element index="2">
    <attribute name="Name" value="StyleContainer" />
    <attribute name="Max Size" value="2147483647 17" />
    <attribute name="Layout Mode" value="Horizontal" />
    <attribute name="Layout Spacing" value="4" />
    <element type="Text" style="EditorAttributeText">
        <attribute name="Name" value="StyleDropDownLabel" />
        <attribute name="Text" value="Style" />
    </element>
    <element type="DropDownList">
        <attribute name="Name" value="StyleDropDown" />
        <attribute name="Resize Popup" value="true" />
        <!-- Skip style processing as the purpose of below tags is to populate the content element -->
        <element type="Window" internal="true" popup="true" style="none">
            <element type="ListView" internal="true" style="none">
                <element type="BorderImage" internal="true" style="none">
                    <element internal="true" style="none">
                        <element type="Text" style="EditorEnumAttributeText">
                            <attribute name="Text" value="auto" />
                        </element>
                        <element type="Text" style="EditorEnumAttributeText">
                            <attribute name="Text" value="none" />
                        </element>
                        <element type="BorderImage" style="EditorDivider" />
                    </element>
                </element>
            </element>
        </element>
    </element>
</element>