.catalog_show_more_btn {
    background: #fafafa;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #eee;
    margin: 5px 0 30px;
}
.catalog_show_more_btn .more_text_ajax {
    width: 100%;
    text-align: center;
}
.catalog_show_more_btn:hover .more_text_ajax {
    color: #fff;
}