.profile-pic {
 
    -webkit-filter: none;
  filter: none;
  
  
 
  
       
}
.profile-link:hover .profile-pic, 
.profile-link:focus .profile-pic {
  -webkit-filter: grayscale(100%) 
          brightness(95%)
          contrast(120%);
  filter: grayscale(100%) 
          brightness(95%)
          contrast(120%);
  
  transition: filter 0.3s, box-shadow 0.3s;
  -webkit-transition: filter 0.3s, -webkit-filter 0.3s, box-shadow 0.3s;
   
}