CSS margin pushing the body element

This sounds similar to a problem I had: Margins and negative margins. I solved mine by putting a padding-top rather than a border, maybe this works with your design slightly better? Otherwise try this link: http://www.seifi.org/css/understanding-taming-collapsing-margins-in-css.html

Removing axes margins in 3D plot

There is not property or method that can modify this margins. You need to patch the source code. Here is an example: from mpl_toolkits.mplot3d import Axes3D import matplotlib.pyplot as plt import numpy as np ###patch start### from mpl_toolkits.mplot3d.axis3d import Axis if not hasattr(Axis, “_get_coord_info_old”): def _get_coord_info_new(self, renderer): mins, maxs, centers, deltas, tc, highs = self._get_coord_info_old(renderer) … Read more

Is it a bad practice to use negative margins in Android?

In 2010, @RomainGuy (core Android engineer) stated that negative margins had unspecified behavior. In 2011, @RomainGuy stated that you can use negative margins on LinearLayout and RelativeLayout. In 2016, @RomainGuy stated that they have never been officially supported and won’t be supported by ConstraintLayout. It is easy to work around this limitation though. Add a … Read more