.av_inherit_color.avia_textblock a {
    color: #fff !important;
}
.overlay-grid .flex_cell {
    position: relative;
}
.overlay-grid .flex_cell:before {
    content: '';
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-color: rgb(0 0 0 / 75%);
}