increase the size of an image on hover using css

1img { 
2	transition: all .2s ease-in-out; 
3}
4img:hover { 
5    	transform: scale(1.5); 
6    }

1.grow { 
2	transition: all .2s ease-in-out; 
3}
4	.grow:hover { 
5    	transform: scale(1.1); 
6    }