.why-us {
    display: flex;
    align-items: flex-start;
}
.why-us:not(:last-child) {
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,.3);
}
.why-us__icon {
    width: 25px;
}
.why-us__content {
    flex: 1;
    padding-left: 25px;
}

@media (max-width: 1199px) {
    .why-us {
        padding-bottom: 10px;
        margin-bottom: 10px;
    }
    .why-us:last-child {
        padding-bottom: 10px;
        margin-bottom: 0;
        border-bottom: 1px solid rgba(255,255,255,.3);
    }
    .why-us__content {
        padding-left: 15px;
    }
}