sass: Make dark theme darker

src/_colors.scss

@@ -84,7 +84,7 @@ $state-overlay-opacities: (

                                
                                
                                
                            
                                
                                    
                                        
                                            84  
                                            }
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            85  
                                            
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            86  
                                            // Private variables for dark background colors
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        87 -
                                        $-dark-surface-z0: #181818;
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        87 +
                                        $-dark-surface-z0: #121212;
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            88  
                                            $-dark-surface-z1: mix(white, $-dark-surface-z0, 5%);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            89  
                                            $-dark-surface-z4: mix(white, $-dark-surface-z0, 9%);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            90  
                                            $-dark-surface-z8: mix(white, $-dark-surface-z0, 12%);