Constant DUOTONE
Source pub const DUOTONE: &str = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 256 256\" fill=\"currentColor\"><path d=\"M216,208H40a16,16,0,0,1-13.84-24l88-152a16,16,0,0,1,27.7,0l88,152A16,16,0,0,1,216,208Z\" opacity=\"0.2\"/><path d=\"M96,208a8,8,0,0,1-8,8H40a24,24,0,0,1-20.77-36l34.29-59.25L39.47,124.5A8,8,0,1,1,35.33,109l32.77-8.77a8,8,0,0,1,9.8,5.66l8.79,32.77A8,8,0,0,1,81,148.5a8.37,8.37,0,0,1-2.08.27,8,8,0,0,1-7.72-5.93l-3.8-14.15L33.11,188A8,8,0,0,0,40,200H88A8,8,0,0,1,96,208Zm140.73-28-23.14-40a8,8,0,0,0-13.84,8l23.14,40A8,8,0,0,1,216,200H147.31l10.34-10.34a8,8,0,0,0-11.31-11.32l-24,24a8,8,0,0,0,0,11.32l24,24a8,8,0,0,0,11.31-11.32L147.31,216H216a24,24,0,0,0,20.77-36ZM128,32a7.85,7.85,0,0,1,6.92,4l34.29,59.25-14.08-3.78A8,8,0,0,0,151,106.92l32.78,8.79a8.23,8.23,0,0,0,2.07.27,8,8,0,0,0,7.72-5.93l8.79-32.79a8,8,0,1,0-15.45-4.14l-3.8,14.17L148.77,28a24,24,0,0,0-41.54,0L84.07,68a8,8,0,0,0,13.85,8l23.16-40A7.85,7.85,0,0,1,128,32Z\"/></svg>";