thanks agin Aizaz Imtiaz Awan ,but it fix little bit my problem ,for now after clicking buy now button goes to cart page for sample product too , i dont want to go cart page for simpe product ,go cart page only if product has veriable like size and color to choose , for simple product it need to go direct checkout page which product i click and it should clean my cart item too,please help me with that code ..and alos how to change buy now button color ,size,border etc . i attach screenshot for color change in buy now button too,now its look ugly to me.i need to change according to my theme button or add to cart button color ..plese visit my website for further checking https://www.sohoztech.com