[From string (line 16) ]                                                   
                                                                           
@startuml                                                                  
<style>                                                                    
arrow {                                                                    
  LineColor #Green                                                         
  FontColor #Green                                                         
  LineStyle 10;5                                                           
                                                                           
  .va {                                                                    
  	FontColor #Red                                                          
  }                                                                        
  .vb {                                                                    
  	LineColor #Red                                                          
  }                                                                        
                                                                           
}                                                                          
</style>                                                                   
^^^^^                                                                      
 Error in style definition: bad definition (Assumed diagram type: sequence)