Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Elk 570-3N-WHT 3-Light Vanity In Satin Nickel and White Mosaic Glass
Product description: The ELK 570-3N-WHT Vanity collection Vanity Wall Lighting in Satin Nickel uses Incandescent light output and brings Contemporary style. The total wattage is 180 and the voltage is 120 volts. The ELK Lighting 570-3N-WHT requires 3 bulbs (not included). Additional Information: Shade-White Mosaic Hand-Made Glass - Type 3., This Mix and Match Vanity Collection comes in either Aged Bronze or Satin Nickel finish with 22 different shade color choices.
Product feature: Bulb Number: 3, Bulb Type: 60W Medium, Item Type: Vanity, Item Collection: Vanity
Product price: $11.33
Product brand: ELK
Target attributes: Design
Answer: attribute: design
value: None
source: None