body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote,span,img{margin: 0px;padding: 0px;}
	ul, li {list-style: none;}
	a{text-decoration: none;}
	img{margin:0;border:0;}
	.sum_div {margin-left: auto;margin-right: auto;width: 1020px;}