New 'Sage style' css to support the Sage notebook look/feel.
New 'Sage style' css to support the Sage notebook look/feel.

Signed-off-by: codenode <806815114ea6929ab17686b12abeca20fe351bf5@yahoo.com>
regmi/codenode-unr,regmi/codenode-unr,regmi/codenode-unr