:root{--melody-pitch-C4:0;--melody-pitch-D4:1;--melody-pitch-E4:2;--melody-pitch-F4:3;--melody-pitch-G4:4;--melody-pitch-A4:5;--melody-pitch-B4:6;--melody-pitch-C5:7;--melody-pitch-D5:8;--melody-pitch-E5:9;--melody-pitch-F5:10;--melody-pitch-G5:11}