* header and scroll

* allow sweep buy now off

* generic filter row header

* begin building sort dropdown

* add file

* working checkmark

* remove icons

* updating scroll to work with mobile

* prevent scorlling behind menu

* hover styles

* remove console.log

* respond to comments

* revert null

* styled component header

* filter item styled component

* padding for items, slider, and inputs

* fixed scroll on mobile
Co-authored-by: Alex Ball <alex.ball@uniswap.org>