.mbr-section--full-height {
  height: 100vh;
}
.mbr-parallax-background,
.mbr-background {
    background-repeat: no-repeat !important;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
    background-attachment: fixed !important;
}
.mbr-parallax-background.mbr-top{
    background-position: 50% 0;    
}
.mbr-parallax-background.mbr-bottom{
    background-position: 50% bottom;    
}

.mobile .mbr-parallax-background {
  background-attachment: scroll !important;
}
.mbr-overlay{
    background: #222;
    bottom: 0;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 2;
}