.rich-text img {
    display: block;
    max-width: 100%;
    margin: 0 auto;
}
.rich-text p {
    margin: unset;
    line-height: 1.8;
    font-size: 16px;
    color: #666;
}
@media screen and (max-width: 640px) {
    .rich-text {
        padding-bottom: 60px;
    }
}