People who are content with modern design are probably comfortable with modern life-styles. (Para. 9)
Meaning: If people are satisfied with modern design, they are likely to feel at home with modern ways of life.
be content with: to be satisfied with
She is quite content with the job. 她对这工作挺满意的。
All of them are content with life there. 他们都对那儿的生活感到满意。