* fix an issue with optimism/arbitrum alert distinction, add a prompt to switch to Optimism on mainnet

* only prompt to switch networks if the user has a wallet connected

* add readmore link styles

* add network to the user's wallet if it hasn't been added already

* network selector

* hide arbitrum until it launches

* add arbitrum for testing

* update copy and some margins

* fix alert opacity issue

* remove the launch alert :(

* adjust icon position and add curvier corners

* lighten some colors

* keep the selector around even if the user's wallet doesn't support the eip when they're on L2, just hide all other networks

* copy updates and some other small tweaks

* better mobile experience

* shrink on mobile

* fix some links and css

* differentiate between selector and row logos

* fix some copy

* remove network alert from add liquidity pages, update copy and buttons on swap page, remove close option if no eth, persist close state otherwise

* design polish

* update read more links

* update downtime warning to be less intense

* oe logo
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* design polish sesh

* fix a couple bugs