Keep only three screenshots and normalize their size

README.md

@@ -46,17 +46,9 @@ eebc7b69884aaf302dbd9a0750f9b47f96800867fe5a316b83be9957facbd12c  AppsManager_iO
 
 ## 截图 / Screenshots
 
-| 应用列表 / App list | 详情页 / Detail |
-| --- | --- |
-| ![App list](screenshots/home.png) | ![Detail](screenshots/detail.png) |
-
-| 内置文件浏览器 / File browser | 文件菜单 / File menu |
-| --- | --- |
-| ![File browser](screenshots/file-browser.png) | ![File menu](screenshots/file-browser-menu.png) |
-
-| 抹掉后 Documents 为空 / Empty Documents | 抹掉后 6 KB / Wiped 6 KB | 还原后 5.3 MB / Restored 5.3 MB |
+| 应用列表 / App list | 详情页 / Detail | 内置文件浏览器 / File browser |
 | --- | --- | --- |
-| ![Empty Documents](screenshots/wipe-empty-documents.png) | ![Wiped](screenshots/wipe-size-6kb.png) | ![Restored](screenshots/restore-size-5mb.png) |
+| <img src="screenshots/home.png" width="260"> | <img src="screenshots/detail.png" width="260"> | <img src="screenshots/file-browser.png" width="260"> |
 
 ## 安装 / Installation