#world.m_0 { line-width: 3; } #world.m_1[zoom > 2] { line-opacity: .2; } #world.m_2[zoom > 8] { line-opacity: .4; } #world.m_3[NAME!="Canada"] { line-width: 5; } #world.m_4[NAME="United States"] { line-color: #f00; } #world.m_5[NAME="United States"][NAME="Canada"] { line-color: #f00; } #world.m_6[NAME!="Canada"][zoom > 5] { line-opacity: .7; } #world.m_7[NAME!="Canada"][POP > 100000000] { line-width:20; } #world.m_8[NAME="United States"][zoom > 8] { line-opacity: .5; } #world.m_9[NAME="United States"][zoom > 8][zoom < 4] { line-opacity: .5; }