css - div 内不是边距或填充的空白空间

Question

有一个 div，该 div 内有一个图像，所有边距都设置为 0 - 但是它一直在 div 内部显示 gab，甚至在外面都没有，它不是填充或边距，我似乎无法弄清楚这是什么。

我试图将 Div 更改为部分，给它们负边距，将高度设置为 100%，但没有任何效果!

这是网站的链接:http://www.webdesignstudents.co.uk/students/loai_shehadeh/1/portfolio.html 您可以通过查看页面源代码查看完整代码，但这是我使用的 HTML:

        <div class="wrapperB">
            <div class="content">
                <div id="portfolio-sectionB" class="all">
                    <div id="grid1"><!--Gird 1-->   

                        <div class="galleryItemB visualIdentity">
                            <img alt="Brighton and Hove In Bloom Logo" src="portfolio/images/brighton-in-bloom-logo-mockup-1.jpg">
                            <a href="portfolio/brighton-in-bloom.html"></a>
                        </div>  

                        <div class="galleryItemB visualIdentity">
                            <img alt="" src="portfolio/images/hovecollege-course-magazine-mockup2.jpg">
                            <a href="portfolio/hovecollege-course-magazine.html"><p>Click To View Project</p></a>
                        </div>  

                        <div class="galleryItemB visualIdentity">
                            <img alt="" src="portfolio/images/brighton-pet-show-poster-mockup3.jpg">
                            <a href="portfolio/brighton-pet-show.html"><p>Click To View Project</p></a>
                        </div>  

                        </div><div id="grid2"><!--Gird 2--> 

                        <div class="galleryItemB visualIdentity">
                            <img alt="" src="portfolio/images/ambition-world-bussiness-card-mockup.jpg">
                            <a href="portfolio/ambition-world.html"><p>Click To View Project</p></a>
                        </div>  

                        </div><div id="grid3"><!--Gird 3--> 

                        <div class="galleryItemB visualIdentity">
                            <img alt="" src="portfolio/images/brighton-pet-show-logo-mockup.jpg">
                            <a href="portfolio/brighton-pet-show.html"><p>Click To View Project</p></a>
                        </div>  

                        <div class="galleryItemB webDesign visualIdentity">
                            <img alt="" src="portfolio/images/animal-recuse-group-logo-mockup.jpg">
                            <a href="portfolio/animal-rescue-group.html"><p>Click To View Project</p></a>
                        </div>  

                        </div>                      
                    </div>      
                </div>
            </div>

CSS

         #portfolio-sectionA {
         margin: 10px 20px;
              }

      #portfolio-sectionA a {
    color: #CED9E7;
    padding: 7px 10px;
    margin-left: -1px;

    border-radius: 3px;
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
}

#portfolio-sectionA a:hover {
    color: #9BAFCE;
}

#portfolio-sectionA a:active, #portfolio-sectionA a.portfolio-sectionAClicked {
    color: #4E6C98;
    background-color: #3C5476;  
    cursor: default;
}

  /*---Portoflio Page Section B---*/
        .galleryItemB {
background-color: green;
position: relative;

         }

#portfolio-sectionB .galleryItemB a {
    position: absolute; left: 0; top: 0; right: 0; bottom: 0;
    background: url(../elements/magnifying-glass.png) center center no-repeat rgba(78,108,152,.85);
    cursor: pointer;

    opacity: 0;
    -moz-opacity: 0;
    -khtml-opacity: 0;
    filter:alpha(opacity=0);

    -webkit-transition: opacity 0.2s linear;
    -moz-transition: opacity 0.2s linear;
    -ms-transition: opacity 0.2s linear;
    -o-transition: opacity 0.2s linear;
    transition: opacity 0.2s linear;
}

#portfolio-sectionB .galleryItemB:hover a {
    opacity: 1;
    -moz-opacity: 1;
    -khtml-opacity: 1;
    filter:alpha(opacity=100);
}

#portfolio-sectionB .galleryItemB a p{
    color: #FFFFFF;
    position: absolute; bottom: 15px; right: 20px;
    cursor: pointer;
}

Answer 1

将 div 中图像的样式更改为 display:block。

例如:

itemWrapper > img {
    display:block;
}