.square-stamp{display:inline-flex;align-items:center;justify-content:center;height:2rem;padding:.2rem 2rem;background-repeat:no-repeat;background-size:100% 100%;background-position:50%;font-family:stxingkai,kaiti,fangsong,lisu,serif;color:#f1eae1;font-size:1.4rem;letter-spacing:2px;user-select:none;line-height:1}