總網頁瀏覽量

2016年9月28日 星期三

[HTML] 學習 002 加入css了

MDN 的第二個教學 - 為什麼要用CSS?
https://developer.mozilla.org/zh-TW/docs/Web/Guide/CSS/Getting_started/%E7%82%BA%E4%BB%80%E9%BA%BC%E8%A6%81%E7%94%A8CSS

淺顯易懂 好網站 ㄎ

html 的標籤說明其實可以自己google,
我直接看 wibibi 也是不錯的網站拉,哈哈,
只是用 wibibi 學對我來說好像沒法有效吸收.

如果許多網站介紹的
HTML 著重於內容的描述
CSS 著重於樣式的表現

把內容與樣式分開 利於管理和維護,
可以對於相同標籤同時進行修改,
已可用的標籤來和HTML相比, css 的樣式標籤較多,
不然的話要單獨設計標籤會使得單純的HTML網頁內容龐大,
並利用圖層方式使得網頁有前後關係, 讓使用者設計上更有彈性.

新增一個css檔案叫做style1.css
內容為
   strong {color: red}

而在上一篇 [HTML] 學習 001
所新增的 html來檔拿來修改,
為了和第一次的程式區別所以重新命名為 doc2.html,
修改部分用黑體字表示.

doc2.html
 <html>
   <head>
   <meta charset="UTF-8">
   <title>Sample document</title>
   <link rel= "stylesheet" href="style1.css">
   </head>
 
   <body>
      <p>
         <strong>C</strong>ascading
         <strong>S</strong>tyle
         <strong>S</strong>heets
      </p>
   </body>
</html>

在上一回有提到 <p> 和 </p> ,
利用標籤就可以使段落與段落之間自動分行,
並有一定的間距, 在預設的縮排效果中是沒縮排的,
這時候就可以用 css 來做樣式的變化.

在 html 裡面link標籤位於head中,
用以控制網頁和外部的資源相互關係,
但是引用的css會因為使用者使用的瀏覽器不同導致不同的結果.


   <link 屬性 屬性值 種類>

之後就會看到差別囉


來和第一次的網頁顯示比對一下

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