常见写法：

下面总结常见的响应式布局的分类：

@media screen and (max-width:320px){ #talkFooter .editArea{…… } } @media screen and (min-width:321px) and (max-width:375px){ #talkFooter .editArea{…… } } @media screen and (min-width:376px) and (max-width:414px){ #talkFooter .editArea{…… } } @media screen and (min-width:415px) and (max-width:639px){ #talkFooter .editArea{……} } @media screen and (min-width:640px) and (max-width:719px){ #talkFooter .editArea{……} } @media screen and (min-width:720px) and (max-width:749px){ #talkFooter .editArea{……} } @media screen and (min-width:750px) and (max-width:799px){ #talkFooter .editArea{……} } @media screen(min-width:800px){}