先安裝附加工具 Stylish

然後...

/*放大書籤字體*/
.menu-iconic.bookmark-item, .menuitem-iconic.bookmark-item.menuitem-with-favicon
{font-size: 15px !important ; font-family: Noto Sans CJK TC , "Microsoft JhengHei UI" !important;}

/*放大網址列字體*/
#urlbar {font-size: 125% !important;}

/*放大選單字體*/
menuitem,menu,.splitmenu-menu,.splitmenu-menuitem
{font-family: Noto Sans CJK TC !important ; font-size:14px !important;}

/* 個人書籤列 */
#PersonalToolbar
{font-size: 13px !important;}

/*分頁列*/
tab .tab-text
{font-family: Microsoft JhengHei UI !important ; font-size: 13px !important;}