.irai {
	display: block;
	border: 2px solid #dedede;
	text-align: center;
	margin: 1em auto;
	padding: 1em;
	width:290px;
}

@media screen and (min-width:906px) {
	.flex {
		display: flex;
		margin-bottom: 1em;
	}
	.flex img {
		max-width: 300px;
		height: auto;
		margin-right: 1em;
	}
}