.contents{
    padding-top: 80px;
}
/* common */
h2 {
    border-left: solid 5px blue;
    border-bottom: solid 1px grey;
    padding: 10px;
	margin-bottom: 10px;
}
img {
    width: 80%;
    display: block;
    height: auto;
    margin-left: auto;
    margin-right: auto;
}