Fonts

I received a comment that the fonts that I was using were unreadable. My bad…
I entered quite a few options into the Font-Family specifications, starting with Comic Sans, Cursive, then more common fonts like Arial and Helvetica. Apparently Comic Sans and Cursive are not common enough, so I have switched the font family specifications, placing Arial and Helvetica at the front, and Comic Sans or Cursive as the last options.
I am looking at other font options through various WordPress plug-ins. I would like a softer appearance that basic Arial, but I want to insure an easy and comfortable read.