.post img {
	max-width: 100%;	/* for old images (before they were compressed) bigger than 400px in width */
	height: auto;
	box-shadow: -10px 10px 20px 0px grey;
}

@media screen and (max-width: calc(1280px - 1px - 8px)) {	/* 8px for Edge margins */
	button > span.material-icons {
		font-size: 2em;
	}
}