i want customize opencart jurnal theme 3

please check customize point hello i want customize jurnal opencart theme where already installed opencart multivendor script. i explained all details.............check customize point. hello i want customize opencart jurnal theme version [login to view URL] installed opencart multivendor marketplace. now will show all point with [login to view URL] a multivendor website few point will be add by [login to view URL] keep in mind. now i explained all point full details desktop version................ out theme link [login to view URL] on top header line right side add text with link.......Become A Seller | Seller Login | Returns | and same line middle position add this text with link.....Buyer Protection | Helpline 18001114210 ( 9.30 am - 9.30 pm ) then beside search box right side add text with highlight background color ......Sell product. then next menu all category want beside. FOOTER .................... footer background make white color and text size make small. ------------------------------------------------------------------------------------ CATEGORY PAGE --- want show per line 4 products and filter make left side and filter text make [login to view URL] make currency ruppes icon and when keep mouse any products images showing black blackground with add to cart....remove it or make it white for whole website. PRODUCTS DETAILS PAGE - main image size and products title size make [login to view URL] add some text field which seller will filled product upload time......Shipping and free shipping and warranty,delivery time.....this text filed seller will add product upload time. this text will be fixed for all time..... Buyer Protection - this text will fixed with red background color same to same like [login to view URL](buyback gurantee) 7 Days Return --this line will be as semi headline and under this will be add text...if products not described or damaged or not received........this text if click will be open returns page. then add next line we accept cash on delivery,online [login to view URL] nextline add text YAMDEAL ASSURED-THIS TEXT WILL BE semi headline text and under this text will be add.........This Products Quality checked Throughly Tested By [login to view URL] text will be fixed for all time. then add Contdition text........products upload time if seller will select among 3 any 1 [login to view URL] select new or certified refurbished or certified used.......will show this text with [login to view URL] u want idea visit [login to view URL] buy now button make same to same size,color like [login to view URL] then products description given full [login to view URL] left and right space like [login to view URL] after click buy now now button to complete order want same few filed and easy step like [login to view URL] for mobile or other device chance point........ products details page......1st will show main image then product title then price,then in stock,then model,then weight and brand icon,then other text which u added then should show products details information. down side you can see add to cart button make it buy now button same to same [login to view URL] then remove black border from this options.....related product and most viewed+people also bought+you might like+from same brand