less: use same color for spaces characters The light ones were barely visible and the others looked almost like normal characters. Also be more explicit and use border-color instead of color.

babel >= 0.9.6, < 2.4
waitress >= 0.8.8, < 1.0
pytest ~= 3.0
pytest-runner
pytest-sugar>=0.7.0
pytest-benchmark
pytest-catchlog
pytest-localserver
mock
sphinx
webtest < 3