bootstrap 将页面分为三列

image.png

<div class="container"> <div class="row"> <section class="content-primary col-md-5">

代码语言：javascript复制

            </section>
            <section class="content-secondary col-md-4">

            </section>
            <section class="content-tertiary col-md-3">
             
    </section>
            </div>
        </div><!-- /.row -->
        </div><!-- /.container -->

class container image png row

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