.main-content {
    overflow: hidden;
    /*margin: 138px auto 0;*/
    min-height: 800px;
}

.ucc-dark-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.ucc-ctn {
    max-width: 1200px;
    margin: 0 auto;
}

@media only screen and (min-width: 750px){  
    .main-content{
        margin: 138px auto 0;
    }
}

@media only screen and (min-width: 1125px){  
    .main-content{
        margin: 104px auto 0;
    }
}

@media only screen and (min-width: 1600px){  
    .main-content{
        max-width: 2400px;
        margin: 104px auto 0;
    }
}