body{
    overflow: hidden;
}
.hf_spinner{
    z-index:99;
} 
.hf_preloader_container{
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 99;        
}
.hf_overlay{
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    opacity: .8;
    z-index: 1;
    background: #000;   
}