@charset "utf-8";
.bg {
    background-repeat: no-repeat;       /* 不平铺 */
    background-position: center center; /* 居中显示 */
    background-size: cover;
    background-color: #f5f5f5;          /* 备用背景色 */
    border-left-width: 0;
    border-top: 0;
	margin: 0px;
}
.{
	margin: 0px;
	
}