Opera's built-in user style sheets can be used to improve readability, debug markup, and drastically change the appearance of webpages. To use the available style sheets, selectand choose from the following:
|Author mode||Show page as its author intended|
|User mode||Complement page style with your own|
|Manage modes||Adjust settings for user mode and author mode|
|Accessibility Layout||For people with visual impairments or reading disabilities|
|Alt Debugger||Display only images with invalid or missing ALT attributes|
|Block Structure||Show all block element structure|
|Class and Id||Show class and id values|
|Disable Breaks||Eliminate breaks|
|Disable Floats||Use the normal flow, ignoring floats|
|Disable Forms||Eliminate forms|
|Disable Positioning||Set all position styles to static|
|Disable Tables||Display all table elements as blocks|
|Fixed Table Layout||Set all table-layout styles to fixed|
|High contrast (B/W)||Show black text on white background|
|High contrast (W/B)||Show white text on black background|
|Inline Structure||Show all inline element structure|
|Outline||Display outline for all block elements|
|Table of Contents||Display only header elements|
|Table Structure||Show all table element structure|
|(Available alternate style sheets for current site appear here.)||Select alternative styles provided by the website|
Tip: To switch between Author and User modes while browsing, press Shift+G, or use the drop-down button on the View bar.
To adjust settings for "Author mode" and "User mode" modes, go to, click the "Style Options" button, and select the "Presentation Modes" tab.
You can select which mode to use as a rule, and you can edit display settings for each mode. Note that "My fonts and colors" and "My link style" refer to the settings for fonts in the Webpages tab of Preferences.
Display frames, forms and scrollbars
To control the display of frames, forms and scrollbars, go toand select the "Style Options" button.
If you disable frames or inline frames, pages that use them will display alternative content if available.
To see how webpages with frames are constructed, enable frame borders. When you view framed pages, the currently active frame will always be outlined.
You can choose whether to show forms and scroll bars in webpages in the standard style or allow websites to style them differently.
Use your own style sheet
Go to Style menu.and click "Choose" to select a personal style sheet to use. Note that the default "user.css" is a blank file. This style sheet will not be listed on the
Set site-specific preferences
If you want to change the style sheet for a particular website, you can use site preferences.