下列是子元素选择器的是()
A. pa{font-size:12px;}
B. h3.txt{color:red;}
C. h1.txt,li{color:red;}
D. p>a{font-size:14px;}
要选择下列代码中第一个strong标签并将字体颜色设置为红色,该如何写css。()我超级喜欢网页设计.
我不是很喜欢网页设计.
A. h1strong{color:red;}
B. .sh1.strong{color:red;}
C. strong{color:red;}
D. h1>strong{color:red;}
凡是子元素选择器能选择的,后代选择器都能选择到()
A. 对
B. 错
question 3:Which sort of issues that parents worry about is NOT mentioned in the news?
A. Negative body image.
B. Sleeping disorders.
C. Depression.
D. Poor sexual choices.