Framed
Wolfram Kernel
Execution environment
Acts like a Style box, but wrapped into a frame
Framed[expr_, opts__]
The argument opts contains directives for the formatted output. The following options are supported
Background->RGBColor[...]adds background to the wrapped expression
warning
Styling options are currently quite limited
Example
Highlight prime numbers in the list
Table[If[PrimeQ[i], Framed[i, Background->Yellow], i], {i, 1, 100}]
Or this neat example from Wolfram Research
NestList[Framed, x, 6]
