.mainImg img{
width:100%;
}

ul.photoList li {
    /* float: left; */
    display: inline-block;
    /* margin-right: 25px; */
    margin-bottom: 30px;
    line-height: 1.2em;
    width: 400px;
}
.s1 {
	color: #444;
	font-size: 24px;
	display: flex;
	align-items: center;
}
.s1:before, .s1:after {
	content: "";
	flex-grow: 1;
	height: 1px;
	background: #444;
	display: block;
}
.s1:before {
	margin-right: .4em;
}
.s1:after {
	margin-left: .4em;
}