.foo{width:calc(100%/3 - 2*1em - 2*1px+ 10 mod 2);margin:calc(1rem - 2px) calc(1rem+ 1px)}p{font-size:min(10px,3em)}blockquote{font-size:max(30px,3em)}.box{width:min(10%- 20px,300px)}.bar{margin:calc(5*min(10px,2em)) calc(10+ max(5px,min(10 - 3em,2in)));padding-top:calc(5*(2em+ -1px))}