.item-image,
.article-image,
.pull-left.item-image,
.pull-right.item-image,
.pull-none.item-image {
    float: none !important;
    text-align: center;
    margin: 0 auto 20px auto;
    display: block;
    max-width: 100%;
}
.item-image img,
.article-image img {
    display: inline-block;
    max-width: 100%;
    height: auto;
}