.cert__container {
    display: flex;
	justify-content: space-around;
}
.cert__item img {
	width: auto;
    height: auto;
	max-height: 220px;
}
.cert__container a {
	text-align: center;
}
@media screen and (max-width: 767px) {
	.cert__container {
		display: block;
		text-align: center;
	}
}