# Codepen平台介紹與基礎 ## Setting > keybindings>sublime text(編輯時可出現快捷鍵) > preprofessor>prefixing(解決跨瀏覽器css相容問題) > emmet>勾選active(使用程式碼縮寫語法) > editor options>勾選autocompelet(主動建議常用且很長的命令) ## 複製文件到新文件中 > 按右上角fork # sublime快捷鍵運用 > command+d 多重選取(Mac)/ ctrl+d (windows) > alt+右(使游標移至當行的最後) > command+f 搜尋(Mac)/ ctrl+f (windows) # Css運用補充 ## float >內層float設定完後,在外層包一個class設定overflow:hidden可以撐高容器高度,並在增加多個float之後,可以繼續往右並排
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