--- tags: CSS, disqus: hackmd --- # Grid 網格|chrisHsiao 在Bootstrap來說網格是從小到大來看 ![](https://i.imgur.com/lxoffF5.png) 第一行是指螢幕的寬 第二行是指內容物的寬 所以在寫RWD的時候,因為是從最小開始寫,Extra small就不用寫@media,從Small開始寫 Small = @media screen and (min-width: 576px) Medium = @media screen and (min-width: 720px) Large = @media screen and (min-width: 960px) Extra large = @media screen and (min-width: 1200px) --- 如果你是從大寫到小,也想跟bootstrap一樣的斷點 Extra Large就不用寫@media Extra Small = @media screen and (max-width: 575px) Small = @media screen and (max-width: 767px) Medium = @media screen and (max-width: 991px) Large = @media screen and (max-width: 1199px) --- ###### tags: `CSS` `grid` `bootstrap`