.picture img {
	  -webkit-filter: grayscale(0%); /* For Webkit browsers */
	  -webkit-transition: .3s ease-in-out; /* For Webkit browsers */
	  -moz-filter: grayscale(0%); /* For Firefox */
	  -moz-transition: .3s ease-in-out; /* For FireFox */
	  -o-filter: grayscale(0%);
	  -o-transition: .3s ease-in-out;
	} 
 
.picture img:hover {
		-webkit-filter: grayscale(100%); /* For Webkit browsers */
		-webkit-transition: .3s ease-in-out; /* For Webkit browsers */
		-moz-filter: grayscale(100%); /* For Firefox */
		-moz-transition: .3s ease-in-out; /* For Firefox */
		-o-filter: grayscale(100%); 
		-o-transition: .3s ease-in-out; 
		animation: shake 0.82s cubic-bezier(.36,.07,.19,.97) both;
		transform: translate3d(0, 0, 0);
		backface-visibility: hidden;
		perspective: 1000px;
	}

@keyframes shake {
  10%, 90% {
    transform: translate3d(-1px, 0, 0);
  }
  
  20%, 80% {
    transform: translate3d(2px, 0, 0);
  }

  30%, 50%, 70% {
    transform: translate3d(-4px, 0, 0);
  }

  40%, 60% {
    transform: translate3d(4px, 0, 0);
  }
}