Add diabled/enabled button style.
Add diabled/enabled button style.

chochinlu/ens-bid-dapp,PhyrexTsai/ens-bid-dapp,chochinlu/ens-bid-dapp,PhyrexTsai/ens-bid-dapp,ens-bid/ens-bid-dapp,ens-bid/ens-bid-dapp