How to change font and letter size on internet?

I must of hit some random combination on my keyboards. Because on some websites the letters are smaller and I think they're in a different font.How to change font and letter size on internet?
Also,

Ctrl and + increases the font size

Ctrl and - decreases themHow to change font and letter size on internet?
well if it's only getting smaller, maybe u zoomed it out.

try ctrl+mouse scroll up.

if it's the font, u can change default font in tools%26gt;options/preferences depending on your browser.

hope this solves it.
hold down you ctrl button and scroll you mouse up and down to zoom in and zoom out of a website. Try it if u want to go to default size is same size as before then hold down ctrl button again and press

*(asterix)
you can hold ctr and and scroll your mouse forward or backward to zoom in or zoom our. you can also hold ctr and press '+' or '-' button for the same purpose....