.contact-body{
    background: url('../../img/portfolio/maine-001.jpg') no-repeat center;
    background-size: cover;
    position: relative;
}

.contact-body:before{
    content: '';
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    background: rgba(0,0,0,.6);
}