Please one http://remix.ethereum.org. Run => Environment and select Web3 Provide There will be a window opening asking “Are you sure want to connect to an ethereum node?” Click OK. <img width="374" alt="screen shot 2018-02-28 at 10 22 56" src="https://user-images.githubusercontent.com/18537398/36775148-e08ca458-1c71-11e8-9255-a22ca5cead71.png">
Please one http://remix.ethereum.org.
Run => Environment and select Web3 Provide
There will be a window opening asking “Are you sure want to connect to an ethereum node?” Click OK.