.single_photo img:hover {
	 opacity: 1;
	 -webkit-animation: flash 1s;
	 animation: flash .3s ease-in-out;    
}

@media only screen and (max-width: 500px) {
 .single_photo {
	padding-left: 20px !important;
	padding-right: 20px !important;	 
}
}