@charset "UTF-8";
/* CSS Document */
*{
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}
body{
	background-image:url("../images/背景4.jpg")
}
img{
	height:auto;
	display: block;
	width: 700px;
	max-width: 100%
	
}
img:first-child{
  margin: 0 auto;
  padding:20px; 
}