<span class="mdi mdi-name"></span>The helper CSS classes are listed below.
        mdi-18px 
        mdi-24px 
        mdi-36px 
        mdi-48px 
    
        
        mdi-rotate-45 
        mdi-rotate-90 
        mdi-rotate-135 
        mdi-rotate-180 
        mdi-rotate-225 
        mdi-rotate-270 
        mdi-rotate-315 
    
        
        mdi-flip-h 
        mdi-flip-v 
    
Note: We do not include the ability to use mdi-flip-* and mdi-rotate-* at the same time.
        mdi-spin 
        mdi-spin 
    
        mdi-light 
        mdi-light mdi-inactive 
        mdi-dark 
        mdi-dark mdi-inactive