Answer:
No, or at least not yet. there small and dont do much improvment. If they were much bigger and sucked better, including some touch-ups here and there, they would have a bigger effect on removing sea urchins.
Explanation:
 
        
             
        
        
        
Below we explore the top 10 web design principles that will make your website aesthetically pleasing, easy to use, engaging, and effective.
    Purpose. Good web design always caters to the needs of the user. ...
    Communication. ...
    Typefaces. ...
    Colours. ...
    Images. ...
    Navigation. ...
    Grid based layouts. ...
    “F” Pattern design.