.about_us {
    margin-bottom: 28px;
}
.about_us .h4 {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 400;
    line-height: inherit;
    text-transform: uppercase;
}
.about_us p:not(.h4) {
    margin-bottom: 0;
    font-weight: 400;
    font-size: 14px;
    line-height: 20px;
    color: #a4a3a3;
}