33:16 固定定位 37:15 相對定位relative 39:55 絕對定位 absolute 45:05 opacity border-radius 47:10 border-radius 54:25 把CSS 的標籤獨立到另外一個檔案 55:50 The rel attribute specifies the relationship between the current document and the linked document. Only used if the href attribute is present. : relationship 代表關係 56:00 (Hypertext REFerence) The HTML code used to create a link to another page. The HREF is an attribute of the anchor tag, which is also used to identify sections within a document. 1:02:30 class="one dog" class裡面可以有兩個不同的名稱