.friend-logo{filter:grayscale(100%);-webkit-filter:grayscale(100%);opacity:.6;-webkit-transition:.6s;-moz-transition:.6s;transition:.6s}.friend-logo:hover{filter:grayscale(0%);opacity:1;margin-top:-5px;box-shadow:0px 18px 22px -15px rgba(0,0,0,0.3)}