/*公用样式*/
*{
	margin: 0;
	padding: 0;
}
body{
	font-family:Trebuchet MS;
	background-color:#8ad5ff;
}

/*头部：*/
.nav{
    text-align: center;
    background: url(../images/main2.jpg) no-repeat center 70%;vertical-align: middle;align: center;
    background-size:140% 100%;
}
.img1{
   text-align: right;
}
.img1 img{
    width:4.0rem;
    vertical-align:middle;
    margin-top: 0.4rem;
    margin-right: 0.3rem;
}