body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td,img { padding:0; margin:0;}
img{ border:none; padding: 0; margin: 0;}

/*歸零*/
  
body {
	text-align:center;
	background: #e5dee5 url(img/bg.png) repeat-y 50% 50% ;
	}

#wrapper {
	width: 1000px;
	margin-right: auto;
	margin-left: auto;
	overflow: hidden;
	}

/*back to top*/
.back {
	background: url(img/back.png) no-repeat;
	height: 40px;
	width: 1000px;
	*width: 1000px;
	display: block;
	text-indent: -50000px;
	}	
	a.back:hover {
		background-position: 0 -40px;
	}