html, body {
    margin:0;
    padding:0;
    background:#000;
    height:90%;
}

.container {

    top:100px;
    position:relative;
    width:70%;
    text-align:center;
    background:#000 url('rf.jpg');
    height:100%;
    margin:0 auto;
    background-repeat: no-repeat;
    background-position: center center fixed;
    -webkit-background-size: contain;
    -moz-background-size: contain;
    -o-background-size: contain;
    background-size: contain;


}
.social {
bottom:100px;
position:absolute;
width:256px;
left:calc(50% - 164px);

}

.social-image {
    margin-left:64px;
    width:64px;
    height:64px;
    float:left;
}

.container h3 {

    text-align:center;
    position:absolute;
    width:256px;
    left:calc(50% - 128px);
    font: 24px Helvetica; 
    color:#fff;
    bottom:0;

}