/*---Gallery-ex1---*/
.gallery-ex1 { display:flex; flex-wrap:wrap; justify-content:space-evenly; }
	.gallery-ex1 h4 { text-align:center; }
		.gallery-ex1 h4 span { width:50%; margin:0 auto; display:block; border-bottom:3px solid #000; padding-bottom:20px; }
	.gallery-ex1 div { width:21%; height:250px; border:1px solid #000; margin:50px 22px 0; overflow:hidden; text-align:center; padding:0; }
        .gallery-ex1 div a { width:100%; height:100%; display:block; position:relative; }
            .gallery-ex1 div a img { max-width:100%; min-width:100%; min-height:100%; position:absolute; left:0; bottom:0; }
		.gallery-ex1 div:hover a { position:relative; }
		.gallery-ex1 div:hover a:before { content:'+'; background:rgba(0,0,0,0.5); display:block; width:100%; height:100%; position:absolute; left:0; top:0; z-index:1; color:#fff; font-size:100px; padding-top:70px; }