.feature-item-hero {
    position: relative;
    flex: 1;
    text-align: center;
}

.feature-item-hero:not(:first-child)::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 80px;
    background: rgba(255,255,255,.3);
}

@media (max-width: 767px) {
    .feature-item-hero::before {
        display: none;
    }
}