gtk3: Use theme-color.*-overlay() for .gtkstyle-fallback

src/gtk-3.0/sass/_common.scss

@@ -1,4 +1,3 @@

                                
                                
                                
                            
                                
                                    
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                                        @use "sass:color";
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            1  
                                            @use "../../theme";
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            2  
                                            @use "../../theme-color";
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            3  
                                            @use "drawing";
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        

@@ -64,11 +63,11 @@

                                
                                
                                
                            
                                
                                    
                                        
                                            63  
                                              color: theme-color.$on-surface;
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
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                                            65  
                                              &:hover {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        67 -
                                            background-color: color.adjust(theme-color.$surface-z0, $lightness: -5%);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        66 +
                                            background-color: theme-color.hover-overlay(theme-color.$on-surface, $on: theme-color.$surface-z0);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            67  
                                              }
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
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                                            69  
                                              &:active {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        71 -
                                            background-color: color.adjust(theme-color.$surface-z0, $lightness: -10%);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        70 +
                                            background-color: theme-color.pressed-overlay(theme-color.$on-surface, $on: theme-color.$surface-z0);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            71  
                                              }
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
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                                            73  
                                              &:disabled {