Html 当父母不'时，孩子的身高为100%；我没有固定的宽度

好的，我在获得

身高：100时遇到了一些问题在我的投资组合部分，我尝试了一系列类似问题的解决方案，但似乎没有任何效果。我也用它来处理媒体查询，但这是一堆额外的代码，我知道还有另一种方法，我就是想不出来

查看我的html：

<!-- Begin Portfolio -->
<section id="section2">

    <div class="container portfolio">

        <!-- Page Title -->
        <div class="row page-title-2">
            <div class="col-lg-12">
                <h3>Portfolio</h3>
                <hr>
                <p>We also create some other stuff.</p>
            </div>
        </div>

        <!-- Portfolio Filter -->
        <div class="container text-center">
          <ul class="nav nav-pills">
            <li class="filter" data-filter="all">all</li>
            <li class="filter" data-filter="print">print</li>
            <li class="filter" data-filter="web">web</li>
            <li class="filter" data-filter="branding">branding</li>
            <li class="filter" data-filter="branding">illustration</li>
          </ul>
        </div>

        <!-- Portfolio Items -->
        <div class="container port-holder">
          <ul id="myPortfolio" class="no-padding">
            <li class="item branding col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-1.html" data-target="#myModal">
                    <img src="img/projects/thumbs/branding1.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>Beach Sand</h4>
                        <em>Branding</em>
                      </span>
                    </span>
                </a>
            </li>
            <li class="item web col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-2.html" data-target="#myModal">
                    <img src="img/projects/thumbs/web1.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>B&W Scene</h4>
                        <em>Web Design</em>
                      </span>
                    </span>
                </a>
            </li>
            <li class="item print col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-3.html" data-target="#myModal">
                    <img src="img/projects/thumbs/print1.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>Metal</h4>
                        <em>Print</em>
                      </span>
                    </span>
                </a>
            </li>
            <li class="item branding col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-4.html" data-target="#myModal">
                    <img src="img/projects/thumbs/branding2.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>Bridge Cityscape</h4>
                        <em>Branding</em>
                      </span>
                    </span>
                </a>
            </li>
            <li class="item print col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-5.html" data-target="#myModal">
                    <img src="img/projects/thumbs/print2.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>Camera</h4>
                        <em>Print</em>
                      </span>
                    </span>
                </a>
            </li>
            <li class="item branding col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-6.html" data-target="#myModal">
                    <img src="img/projects/thumbs/branding3.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>B&W City</h4>
                        <em>Branding</em>
                      </span>
                    </span>
                </a>
            </li>
            <li class="item web col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-7.html" data-target="#myModal">
                    <img src="img/projects/thumbs/web2.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>Objects</h4>
                        <em>Web Design</em>
                      </span>
                    </span>
                </a>
            </li>
            <li class="item print col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-8.html" data-target="#myModal">
                    <img src="img/projects/thumbs/print3.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>Paradise</h4>
                        <em>Print</em>
                      </span>
                    </span>
                </a>
            </li>
            <li class="item web col-xs-4 no-padding">
                <a data-toggle="modal" href="projects/project-9.html" data-target="#myModal">
                    <img src="img/projects/thumbs/web3.jpg" alt="..." />
                    <span class="portfolio-hover">
                      <span>
                        <h4>Eary</h4>
                        <em>Web</em>
                      </span>
                    </span>
                </a>
            </li>
          </ul>
        </div>

    </div>

</section>
<!-- End Portfolio -->

非常感谢您的帮助

您还可以看到，只需转到公文包部分并将图像悬停。
将span.portfolio-hover从display:table更改为display:block
尝试使用原始图像的像素高度或您的图像高度

height:388px

谢谢
好的，这很有效，但它打破了我使用的垂直居中方法：显示：表格；例如，我正在寻找另一种方法来垂直居中文本现在如果你有任何建议有很多垂直居中方法。。。只要搜索一下。
height:388px