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While scrolling the mail email page, the font suddenly shrunk to almost unreadable. How do I restore the main (yahoo) email page font size?

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After being admitted to the main email page on yahoo, I was scrolling with the roller on my mouse, and the font size on the entire web page suddenly shrunk to about half the normal size. Now it's too small for me to use.

This happened

Every time Firefox opened

== I was scrolling my mouse on the main email web page in Yahoo.

After being admitted to the main email page on yahoo, I was scrolling with the roller on my mouse, and the font size on the entire web page suddenly shrunk to about half the normal size. Now it's too small for me to use. == This happened == Every time Firefox opened == I was scrolling my mouse on the main email web page in Yahoo.

Réiteach roghnaithe

Make sure that you do not press the Ctrl key while rotating the mouse scroll wheel.

Reset the page zoom on pages that cause problems: View > Zoom > Reset (Ctrl+0 (zero); Cmd+0 on Mac) See Font size and zoom - increase the size of web pages and Font size and zoom - increase the size of web pages and http://kb.mozillazine.org/Zoom_text_of_web_pages

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Réiteach Roghnaithe

Make sure that you do not press the Ctrl key while rotating the mouse scroll wheel.

Reset the page zoom on pages that cause problems: View > Zoom > Reset (Ctrl+0 (zero); Cmd+0 on Mac) See Font size and zoom - increase the size of web pages and Font size and zoom - increase the size of web pages and http://kb.mozillazine.org/Zoom_text_of_web_pages