hello.cljs

(defn hello-world []
  [:div {:style {:position :absolute
                 :left 0
                 :top 0
                 :bottom 0
                 :right 0
                 :display :flex
                 :flex-direction :column}}
   [:div {:style {:display :flex
                  :flex 1
                  :flex-direction :row}}
    [:div {:style {:display :flex
                   :flex 1}}]
    [:div {:style {:display :flex
                   :flex 1}}]]
   [:div {:style {:display :flex
                  :height 140}}]])