Street Map Styling for TileMill

short.css

//short version

@minor_color: #1d1d1d;
@major_color: #000;

#roads {
  line-join: round;
  line-cap: round;
  line-width:0.5;
  line-color:@minor_color;
}

#roads [type='rail'] {
  line-opacity:0.0;
  line-width:0.0;
}

// ...

#roads::prim[type='primary'] {
  line-color:@major_color;
  line-width:1;
}

#roads::moto[type='motorway'] {
  line-color:@major_color;
  line-width:1.5;
}

style.css

Map {
  background-color: #f6f2ec;
}

@minor_color: #1d1d1d;
@major_color: #000;

#roads {
  line-join: round;
  line-cap: round;
  line-width:0.5;
  line-color:@minor_color;
}

#roads [type='rail'] {
  line-opacity:0.0;
  line-width:0.0;
}

#roads [type='footway'] {
  line-opacity:0.0;
  line-width:0;
}

#roads [type='cycleway'] {
  line-opacity:0.0;
  line-width:0;
}

#roads::sec[type='secondary'] {
  line-color:@major_color;
  line-width:0.6
}

#roads::prim[type='primary'] {
  line-color:@major_color;
  line-width:1;
}

#roads::trunk[type='trunk'] {
  line-color:@major_color;
  line-width:1.5;
}

#roads::moto[type='motorway'] {
  line-color:@major_color;
  line-width:1.5;
}