標籤：字型 css color class
內部樣式表的優先順序為1000，id選取器優先順序為100，class選取器為10，標籤為1。
例如：
情形一：div.test1 .span a 優先順序 1+10 +10 +1情形三：#xxx li 優先順序 100 +1
直接上代碼：
<!doctype html><html lang="en"><head><meta charset="UTF-8"><title>Document</title><style>div .aa{color:orange;}/*優先順序11*/.bn .aa{color:red;}/*優先順序20*/#bb .aa{color:yellow;}/*優先順序110*/#bb a{color:blue;}/*優先順序101*/.bn{color:green;}/*不起作用，設定字型的顏色需要精確到包裹字型的那個標籤*/</style></head><body><div id="bb" class="bn"><a style="color:gray;" href="#" class="aa">link</a><!-- 內部樣式表優先順序最高為1000 --><div></body></html>代碼執行後，link字型的顏色為gray，因為內部樣式表的優先順序最高。
關於css優先順序
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