#first,#second span{color:green;}為啥ID不行???
#first,#second span{color:green;}
.first,#second span{color:green;}
為啥ID不行???
#first,#second span{color:green;}
.first,#second span{color:green;}
為啥ID不行???
2015-07-22
class對應是"."
id對應是"#"
把你所有代碼貼出來看看?
舉報
2015-07-23
因為右邊代碼給的? ? <p class="first">