userchrome.css 書籤列去掉文字
#personal-bookmarks .toolbarbutton-text {display: none !important;}改書籤的圖示.bookmark-item[label="書籤的名稱"] image {width: 0 !important;height: 0 !important;padding: 0 0 16px 16px !important;background-image: url("data:image/png;base64,圖示的base64碼") !important;}改書籤資料夾的圖示.bookmark-item[container="true"][label="書籤資料夾的名稱"] {list-style-image: url("data:image/png;base64,圖示的base64碼") !important;-moz-image-region: rect(0px 16px 16px 0px) !important;}