co-maps/data/styles/default/include/defaults_new.mapcss

way|z1-12::*
{
  linejoin: bevel;
}

way|z13-::*
{
  linejoin: round;
}

way|z1-15::*
{
  linecap: butt;
}

way|z16-::*
{
  linecap: round;
}

*::int_name
{
  text-offset: 1;
}