.page-header-block {
    position: relative;
    overflow: hidden;
    width: 100%;
    background: rgba(0, 0, 0, 0.80);
    min-height: 21rem;
    padding: 2rem 0
}

.page-header-block:before {
    content:'';
    position: absolute;
    top:0;left:0;right:0;bottom:0;
    background: rgba(0, 0, 0, 0.80); /*, rgba(211, 211, 211, .5)*/
    z-index: 1
}
.page-header-block-img {
    position: absolute;
    top:0;left:0;
    width:100%;
    height: auto;
    min-height: 100%;
    z-index: 0
}
.page-header-block .container {
    position: relative;
    z-index: 2
}
.page-header-block-title {
    color: #fff;
}
.page-header-block-text {
    margin-top: 1.5rem;
    max-width: 50%;
    color: #fff;
}
.page-header-block.text-center .page-header-block-text {
    margin: 1.5rem auto 0;
}
@media (min-width: 768px) {
    .page-header-block{
        margin-bottom: 4rem
    }
    .main-container.no_header {
        padding-top:4rem;
    }
}
@media (max-width:767px) {
    .page-header-block {
        margin-bottom: 3rem
    }
    .main-container.no_header {
        padding-top:3rem;
    }
}
@media (min-width: 1440px) {
    .page-header-block {
        min-height: 22rem;
    }
}
