.hero {
    height: calc(90vh - 60px);
    min-height: 400px;
}

.hero .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    object-fit: cover;
}

.hero .bg-image-bottom {
    z-index: 1;
    background-image: url('immagini/note-musicali.jpg');
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #333333 100%);
    background-size: cover;
    background-repeat: no-repeat;
    height: 40%;
    top: unset;
    bottom: 0;
}

.hero__bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: auto;
    z-index: 5;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, #33333300, #000);
    z-index: 2;
    opacity: 0.6;
}

.two-col-texts .icon {
    color: #43597A;
    font-size: 24px;
    transition: .3s;
    text-shadow: 0 3px 26px #00000080;
}

.two-col-texts .icon:hover {
    color: #43597A;
    transition: .3s;
    text-shadow: 0 3px 26px #00000080;
}

@media (min-width: 768px){
    .hero .bg-image-bottom {
        -webkit-mask-image: linear-gradient(to bottom, transparent 60%, #333333 100%);
        height: 80%;
    }

    .two-col-texts .icon {
        font-size: 28px;
    }
}