header {
    height: 13%;
    position: absolute;
    overflow: hidden;
    
    background-size: cover;
    }
    header .content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    }
    header h1, header h2 {
    margin: 0;
    }
    header h2 {
    text-transform: uppercase;
    margin-top: -.5em;
    }
    header hgroup {
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    display: inline-block;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    color: #fff;
    border: 5px solid #fff;
    padding: .5em 3em;
    background-color: rgba(0, 0, 0, 0.2);
    z-index: 2;
    }
    header .overlay {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    background:#333 center no-repeat;
    background-size: cover;
    z-index: 0;
    opacity: 0;  -webkit-filter: blur(4px);
    }
    img{
    margin-right:20px
    }
    .site {
    /* padding: 20em 0; */
    text-align: center;
    background-color: #efefef;
    font-size: .8em;
    color: #444;
    position:relative
    }
    .site a {
    color: #666;
    text-decoration: none;
    }
    .site a:hover {
    color: #222;
    }

    .site nav{
    position:absolute;
    top:0;
    left:0;
    background:#222;
    width:100%
    }
    .site nav a{
    padding:10px 30px;
    font-size:1.3em;
    display:inline-block;
    }
    .site nav a:hover{
    background:#333;
    color:#fff
    }