HTML+CSS页面练习——legend第四部分

<section id="portfolio">
        <div class="container">
            <div class="align"><i class="icon-desktop-circled"> </i></div>
            <h1>Portfolio...</h1>
            <div class="row">
                <div class="span4">
                    <div class="mask2">
                        <div>
                            <a href="img/portfolio-01.jpg"><img src="img/portfolio-01.jpg" alt=" " /></a>
                        </div>
                    </div>
                    <div class="inside">
                        <hgroup><h2>Ethan Marcotte Design</h2></hgroup>
                        <div class="entry-content">
                            <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry‘s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
                            <a class="more-link" href="#">view project</a>
                        </div>
                    </div>
                </div>
                <div class="span4">
                    <div class="mask2">
                        <div>
                            <a href="img/portfolio-02.jpg"><img src="img/portfolio-02.jpg" alt=" "/></a>
                        </div>
                    </div >
                    <div class="inside">
                        <hgroup><h2>A Book Apart</h2></hgroup>
                        <div class="entry-content">
                            <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry‘s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
                            <a class="more-link" href="#">view project</a>
                        </div>
                    </div>
                </div>
                <div class="span4">
                    <div class="mask2">
                        <div>
                            <a href="img/portfolio-03.jpg"><img src="img/portfolio-03.jpg" alt=" " /></a>
                        </div>
                    </div>
                    <div class="inside">
                        <hgroup><h2>Four Rules for Designers</h2></hgroup>
                        <div class="entry-content">
                            <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry‘s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
                            <a class="more-link" href="#">view project</a>
                        </div>
                    </div>
                    
                </div>
            </div>

            <div class="row">
                <div class="span4">
                    <div class="mask2">
                        <div>
                            <a href="img/portfolio-01.jpg"><img src="img/portfolio-01.jpg" alt=" " /></a>
                        </div>
                    </div>
                    <div class="inside">
                        <hgroup><h2>Ethan Marcotte Design</h2></hgroup>
                        <div class="entry-content">
                            <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry‘s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
                            <a class="more-link" href="#">view project</a>
                        </div>
                    </div>
                </div>
                <div class="span4">
                    <div class="mask2">
                        <div>
                            <a href="img/portfolio-02.jpg"><img src="img/portfolio-02.jpg" alt=" "/></a>
                        </div>
                    </div >
                    <div class="inside">
                        <hgroup><h2>A Book Apart</h2></hgroup>
                        <div class="entry-content">
                            <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry‘s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
                            <a class="more-link" href="#">view project</a>
                        </div>
                    </div>
                </div>
                <div class="span4">
                    <div class="mask2">
                        <div>
                            <a href="img/portfolio-03.jpg"><img src="img/portfolio-03.jpg" alt=" " /></a>
                        </div>
                    </div>
                    <div class="inside">
                        <hgroup><h2>Four Rules for Designers</h2></hgroup>
                        <div class="entry-content">
                            <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry‘s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</p>
                            <a class="more-link" href="#">view project</a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

       #portfolio{
            margin-top: 20px;
            padding: 70px;
        }
        #portfolio .row{
            text-align: center;
        }
        #portfolio .align{
            text-align:center;
            font-size: 6em;
            margin: 10px 0 0 0;
            padding: 0;
        }
        #portfolio h1{
            text-align: center;
            font-size: 3em;
            font-family: ‘Patua One‘,cursive;
            margin: 0.4em 0 1em 0;
        }
        #portfolio h2{
            text-align: left;
            margin-top: 1em;
            font-weight: bold;
            font-family: ‘Patua One‘,cursive;
            text-transform: capitalize;     
            /*控制文本大小写，capitalize表示文本中每个单词以大写字母开头*/
        }
        .mask2 img{
            margin: 0 auto;
            max-width: 100%;
            display: block;
            filter: alpha(opacity=80);    
            /*滤镜属性，定义元素的可视效果。设置元素的透明度为0.8*/
            opacity: 0.8;
            box-shadow: 1px 1px 10px rgba(0,0,0,0.2);
            transition: all 0.3s ease-in-out;    /*渐变属性*/
        }
        .mask2 img:hover{
            filter: alpha(opacity=99);
            opacity: 1;           /*不透明*/
        }
        #portfolio .entry-content{
            margin: 1em 0 2.5em;
        }
        #portfolio .span4{
            display: inline-block; /*元素为行内块元素*/
            width: 32%;
        }
        #portfolio p{
            text-align: left;       /*左对齐*/
            line-height: 25px;
        }
        #portfolio .more-link{
            float: left;
            text-decoration: none;
            text-transform: uppercase;
            /*控制文本大小写，uppercase表示文本中每个单词都是大写字母*/
            font-family: ‘Open Sans‘,serif;
            font-weight: bold;
            font-size: 0.9em;
            color:#f0bf00;
            margin: 12px 0 40px 0;
        }
        #portfolio .more-link:hover{
            text-decoration: underline ;
        }