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                [TOC=2] >[success] ## **塊元素** #### **代表標簽** ``` Div,h1-h6,p,ul,li ``` #### **特點:** ``` ★獨占一行 ★可以設置寬高 ★ 嵌套(包含)下, 子塊元素寬度(沒有定義情況下)和父塊元素寬度默認一致。 ``` <br> >[success] ## **行內元素** #### **代表標簽** ``` span ,a, ,strong , em, del, ins ``` #### **特點:** ``` ★在一行上顯示 ★不能直接設置寬高 ★元素的寬和高就是內容撐開的寬高。 ``` <br> >[success] ## **行內塊元素(內聯元素)** #### **代表標簽** ``` input img ``` #### **特點:** ``` ★在一行上顯示 ★可以設置寬高 ``` <br> >[success] ## **元素間的轉換** **塊元素轉行內元素 div-->span** `display:inline` ![](https://box.kancloud.cn/eab29face7dff9cef262505eb1cf4593_398x156.png) <br> **行內元素轉塊元素** `display:block;` **** ![](https://box.kancloud.cn/0f7a08186e9eef7d094a12e008ff4686_308x123.png) <br> **塊和行內元素轉行內塊元素** `display:inline-block;` ![](https://box.kancloud.cn/ec3a68e1de34eca79f53563301e27a95_489x236.png) >[danger] ##### 特點 1 行內元素不能設置寬高, 2 行內塊元素可以設置寬高,并不單獨占據一整行,也不”繼承”寬度 3 塊級元素本來就是要占據一整行顯示,如果父元素設置了寬度,那么子元素在沒有設置寬度的前提下默認和父元素同寬。
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