物化 CSS |工具提示

工具提示是小的、文本但交互的提示，主要用于图形目的。它帮助图标或按钮阐明其函数。要使用此功能，将添加工具提示类及其位置，例如：顶部、底部、左侧或右侧。语法如下：

Hover me!

例子：

    
        
        
        
        
      
        
      
    
  
    
        
            Toolbar
            
                
                  border_color
            
            
                
                    
                      
                        insert_chart
                
                
                    
                      
                        format_quote
                
                
                    
                      
                        publish
                
                
                    
                      
                        attach_file
                
            
        
        Tooltips
        
            
                
                  Hover me!
              
            
            
                
                  Hover me!
              
            
        
        
            
                
                  Hover me!
              
            
            
                
                  Hover me!
              
            
        
    

输出：