Style composition warnings gained more detail.

// Before [CSS WARNING] .scalacss-0001 -- margin overridden by marginLeft. [CSS WARNING] .scalacss-0002 -- cursor overridden by cursor. // After [CSS WARNING] .MyStyles-0001 -- {margin-left: 6px} conflicts with {margin: 12px} [CSS WARNING] .MyStyles-0002 -- {cursor: zoom-in} conflicts with {cursor: pointer}