相关疑难解决方法(0)

我试图遵循一个非常基本的例子.使用入门页面和网格系统,我希望以下内容:

<div class="row">
  <div class="span12">
    <h1>Bootstrap starter template</h1>
    <p>Example text.</p>
  </div>
</div>

......会产生中心文本.

但是,它仍然出现在最左边.我究竟做错了什么？

我在bootstrap列中有几个图像,如下所示:

<div class="services">
    <div class="container">     
        <div class="row">

            <div class="col-md-3 services-section">
                <img src="/images/website_design_icon.png"/>
                    <div class="services-paragraph">
                    <h3>Website Design</h3>
                    <p>WordPress themes built for design and functionality</p>
                    </div>
            </div>

            <div class="col-md-3 services-section">
                <img src="/images/graphic_design_icon.png"/>
                    <div class="services-paragraph">
                    <h3>Graphic Design</h3>
                    <p>Logo designs for identity and print</p>
                </div>
            </div>

            <div class="col-md-3 services-section">
                <img src="/images/search_engine_marketing_icon.png"/>
                    <div class="services-paragraph">
                    <h3>Search Engine Marketing</h3>
                    <p>SEO strategies and PPC solutions to increase your presence online</p>
                </div>
            </div>

            <div class="col-md-3 services-section">
                <img src="/images/wordpress_conversion_icon.png"/>
                    <div class="services-paragraph">
                    <h3>WordPress Conversion</h3>
                    <p>Take advantage of the number-one CMS in …