A Certain Style Request

Hi there guys

Is there a way in CSS to target certain words in a whole webpage
and have a style applied to that word automatically?

For instance:

With in my webpage I have the "Start" which appears 10 times or more, but can is is possible to apply a style to those words
with out having to hand code a span tag to each word individually, but rather have it done automatically?

I hope I'm making sence here.

Many thanks!!