.partsBox {
    padding: 100px 100px;
}

.partsBox1 {
    padding: 0 100px;
    border-bottom: 5px solid #637a5e;
    margin-bottom: 80px;
}

.partsBox1 p {
    font-size: 22px;
    color: #373737;
    text-indent: 2em;
    text-align: justify;
}