Split screen layout

import Css
import Html.Styled as Html exposing (Html)
import Html.Styled.Attributes as Html


splitScreen : Html msg
splitScreen =
    Html.div
        [ Html.css
            [ Css.displayFlex ]
        ]
        [ Html.div
            [ Html.css
                [ Css.flex <| Css.int 1 ]
            ]
            []
        , Html.div
            [ Html.css
                [ Css.flex <| Css.int 1 ]
            ]
            []
        ]