#thumb_list li {
	width: 16.66%;
	padding-right: 20px;
	padding-bottom: 20px;
}

#grid li {
	-webkit-transition: opacity 500ms ease-out 0s;/*1s*/
	-moz-transition: opacity 500ms ease-out 0s;/*1s*/
	-o-transition: opacity 500ms ease-out 0s;/*1s*/
	transition: opacity 500ms ease-out 0s;/*1s*/

	opacity: 0;
}

#grid li.show_it {
	opacity: 1;
}


@media screen and (max-width: 1400px) {
	#thumb_list li {
		width: 20%;
	}
}

@media screen and (max-width: 900px) {
	#thumb_list li {
		width: 25%;
	}
}

@media screen and (max-width: 700px) {
	#thumb_list li {
		padding-right: 15px;
		padding-right: 5vw;
		padding-bottom: 15px;
		padding-bottom: 5vw;
	}
}