3 Columns inside a Container

Ok I am pretty new to the tableless coding, but I can't seem to figure out how to make 3-4 columns inside a container all equally spaced. Basically, this is testimonials side by side and below the testimonial is the name of the person, their company, and a link to their site. All on seperate lines. The red part in the image below are the containers, the blue is the testimonial, and the green is the info from the client on seperate lines with link.

Any help is appreciated--thanks!

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