#chain {
    float: left;
    width: 100%;
    text-align: center;
    background: #fff;
    margin-top: 100px;
}

#line-6,
#line-9 {
    margin-bottom: 100px;
}

#chain-1 {
    float: left;
    width: 80%;
    text-align: center;
    margin-left: 10%;
    color: #000;
}

.maintableparts {
    width: 99.9%;
    background: #fff;
    margin-top: 100px;
}

table td,
table th {
    vertical-align: middle;
    padding: 8px 10px;
    border: 0;
    color: #444;
    border: 1px solid #444;
}

.section-heading {
    margin-top: 100px;
}

.image {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-content: center;
    justify-content: center;
    align-items: center;
}