HTML+CSS页面练习——legend第二部分

<div id="headerwrap">
      <header class="clearfix">
          <h1><span>Legend! </span>We make web a beautiful place.</h1>
          <div class="container">
              <h2>Signup for our Newsletter to be updated</h2>
              <input type="email" placeholder="you@yourmail.com" class="cform-text" size="40" title="your email"/>
              <input type="submit" value="Notify me" class="cform-submit"/>
          </div>
          <div class="row">
            <ul class="icon">
                <li><a href="#" target="_blank"><i class="icon-pinterest-circled"></i></a></li>
                <li><a href="#" target="_blank"><i class="icon-facebook-circled"></i></a></li>
                <li><a href="#" target="_blank"><i class="icon-twitter-circled"></i></a></li>
                <li><a href="#" target="_blank"><i class="icon-gplus-circled"></i></a></li>
                <li><a href="#" target="_blank"><i class="icon-skype-circled"></i></a></li>
            </ul>
          </div>
      </header>
    </div>

        #headerwrap{
            width: 100%;
            background: url(img/top-bg.jpg) #0b333f no-repeat center center fixed;  /*背景是一张图片且固定在一个位置不变*/
            -webkit-background-size: cover;
            -moz-background-size: cover;
            -o-background-size: cover;
            background-size: cover;
            padding-top:80px;
            padding-bottom:110px;
            text-align:center；   /*内容水平居中分布*/
        }
        #headerwrap h1{
            color:#FFFFFF;
            font-size:4em;
            font-family: ‘Patua One‘, cursive;   
            font-weight:400;
            margin:1em 0;
        }
        #headerwrap h1 span{
            color:#f0bf00;
        }
        #headerwrap h2{
            color:#ffffff;
            font-size:2em;
            font-family: ‘Open Sans‘, sans serif;
            font-weight: normal;
            margin: 0.5em 0;
            text-shadow: 1px 1px 1px #333333;
        }
        #headerwrap input[type=email]{
            background-color: rgba(227,231,228,1);
            font-size: 1.4em;
            font-family: ‘Open Sans‘, sans serif;
            border: 0;
            text-align: center;    /* 水平方向的居中*/
            vertical-align: middle;  /* 垂直方向上的居中*/
            margin-bottom:0 !important;
            height: 2.9em;
            width: 50%;
        }
        #headerwrap input[type=email]:focus{   /*当其获得焦点时，它的样式会变为以下*/
            background:#43413e;
            color:#eff1ef;
            transition: background 0.25 ease-in;
        }
        #headerwrap input[type=submit]{
            color: #fff;
            width: 185px;
            height: 3em;
            font-size: 1.4em;  /*21px*/
            font-family: ‘Patua One‘, cursive;
            font-weight: bold;
            letter-spacing: 0.05em;  /*字母间距*/
            margin: 0;
            border:0;
            vertical-align: middle;
            text-transform: none;
            background: #f0bf00 !important;
            border-radius: 3px;
        }
        #headerwrap input[type=submit]:hover,#headerwrap input[type=submit]:active{    /*当鼠标悬停在其上方时，其背景会改变颜色*/
            background: #43413e !important;
        }
        ul.icon{
            font-size: 54px;
            margin: 1em 0 0.5em 0;
        }
        ul.icon li{
            display:inline-block;
            -webkit-transition: all 0.3s linear;
            -moz-transition: all 0.3s linear;
            -o-transition: all 0.3s linear;
            transition: all 0.3em linear;
        }
        ul.icon li:hover{      /*当鼠标悬停在其上方时，其透明度变为0.7*/
            opacity: 0.7;
        }