To increase your font size, please follow the below instructions:
MAC:
"command (apple)" and "+" (to increase font size) or "-" (to decrease font size).
"command (apple)" and "0" will reset the font to the size as defined in the CSS.
PC:
"CTRL" and "+" (to increase font size) or "-" (to decrease font size).
"CTRL" and "0" will reset the font to the size as defined in the CSS.