.letters {
	display: grid;
	grid-template-columns: 1fr;
	grid-gap: 30px;
	margin: 40px 0;
}

.letters .letter a {
	display: block;
	text-align: center;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
	margin: 0 auto;
	max-width: 300px;
	padding: 20px;
	transition: .3s all;
}

.letters .letter a:hover {
	box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

.letters .letter a img {
	width: 50px;
}
.letters .letter a .name {
	font-weight: 600;
	font-size: 20px;
	display: block;
}

@media (min-width: 768px) {
	.letters {
		grid-template-columns: 1fr 1fr;
	}
}

@media (min-width: 940px) {
	.letters {
		grid-template-columns: 1fr 1fr 1fr;
	}
}

@media (min-width: 1200px) {
	.letters {
		grid-template-columns: 1fr 1fr 1fr 1fr;
	}
}