Which will change the order of a grid columns?
A. .col-md-push-*
B. .col-md-offset-*
C. .clearfix
D. .col-sm-*
Answer: Option A
A. .col-md-push-*
B. .col-md-offset-*
C. .clearfix
D. .col-sm-*
Answer: Option A
Which of the following specifies the main content of the document?
A. <time>
B. <main>
C. <details>
D. <section>
A. 100%
B. contain
C. cover
D. 100%100%
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