[From string (line 16) ]     
                             
@startuml                    
<style>                      
ganttDiagram {               
  document {                 
  backgroundColor transparent
  }                          
  timeline {                 
    BackgroundColor palegreen
    LineColor blue           
 }                           
}                            
</style>                     
hide footbox                 
                             
Project starts 2020-07-01    
^^^^^                        
 Syntax Error?