Почему когда прокручиваешь вниз фон темнеет?
Вот сайт  Ccылка 
Строчка, прописанная на фон
background-image: url( /images/wood_grey.jpg );
Вот тут в ксс прописан код на фон:
	
/* --------------------------------------------- */
/* ---------- IMPORTANT LAYOUT STYLES ---------- */
/* --------------------------------------------- */
html {
	height: 100%;
}
body {
	background: #000000;
	background-image: url( /images/wood_grey.jpg );
    margin: 0;
    padding: 0;
	height: 100%;
	font-size: 12px;
    font-family: Century Gothic;
}
#wrapper {
	width: 990px;
	margin: 50px auto 0 auto;
}
#container {
	min-height: 100%;
	position: relative;
	margin-bottom: -259px;
}
        
.clear {
	clear: both;
	height: 1px;
}
        
a img {
	border: none;
}
.seperator {
	height: 10px;
	clear: both;
	background-image: url( /images );
}
/* ------------------------------------------------ */
/* ---------- TYPOGRAPHY AND LINK STYLES ---------- */
/* ------------------------------------------------ */
h3 {
	color: #000;
	font-size: 30px;
	padding-bottom: 10px;
	text-align: center;
	margin-top: 0;
	margin-bottom: 20px;
	border-bottom: 2px solid #999;
}
h4 {
	color: #fff;
	margin: 0;
	font-size: 20px;
	padding-left: 10px;
}
p {
	margin: 0;
	line-height: 20px;
	padding-bottom: 10px;
}
.post a {
	color: #0071bc;
    text-decoration: none;
}
#postContent a:hover {
	text-decoration: underline;
}
#title a {
	color: #999;
	font-size: 48px;
	text-align: center;
	text-decoration: none;
	text-shadow: #999999 2px 2px 2px;
}
.title a {
	color: white;
}
.title a:hover {
	color: #999;
}   
#footer a {
	color: #000;
	text-decoration: none;
}
.copy a {
	color: #333333;
	text-decoration: none;
}
#imageTitle .copy, #textTitle .copy, #videoTitle .copy, #audioTitle .copy {
	height: 24px;
	width: 530px;
	line-height: 24px;
	overflow: hidden;
}	
#toTop {
	display:none;
	text-decoration:none;
	position:fixed;
	bottom:10px;
	right:10px;
	overflow:hidden;
	width:51px;
	height:51px;
	border:none;
	text-indent:-999px;
	background:url( /images/ui.totop.png ) no-repeat left top;
}
#toTopHover {
	background:url( /images/ui.totop.png ) no-repeat left -51px;
	width:51px;
	height:51px;
	display:block;
	overflow:hidden;
	float:left;
	opacity: 0;
	-moz-opacity: 0;
	filter:alpha(opacity=0);
}
#toTop:active, #toTop:focus {
	outline:none;
}
.postText ul {
	margin: 0;
	padding-bottom: 10px;
}
.postText ul li {
	line-height: 20px;
}
/* ----------------------------------- */
/* ---------- HEADER STYLES ---------- */
/* ----------------------------------- */
#title_background {
	background-image: url( /images/title_background.jpg );
	background-position: bottom;
	background-repeat: repeat-x;
	background-color: #ffffff;
}
        
#title {
	color: #fff;
	width: 990px;
	margin: 0 auto;
	padding: 30px 0 20px 0;
	letter-spacing: 2px;
	text-align: center;
}
.title {
	color: white;
	height: 45px;
	width: 543px;
	padding-top: 15px;
	padding-left: 20px;
	margin-left: -33px;
}
#description {
	color: #999;
	width: 990px;
	margin: 0 auto;
	padding: 20px 0;
	font-style: italic;
	text-align: center;
}
/* ----------------------------------- */
/* ---------- FOOTER STYLES ---------- */
/* ----------------------------------- */
#footer {
	height: 259px;
	color: white;
	font-size: 12px;
	position: relative;
	background-image: url( /images/footer_gray.jpg );
}
#footer_container {
	height: 189px;
	width: 990px;
	padding-top: 20px;
	margin: 0 auto;
}
.clear_footer {
	height: 259px;
	clear: both;
}
.footer_content h4, .footer_content_last h4 {
	margin: 10px 0;
}
.footer_content {
	width: 280px;
	height: 180px;
	float: left;
	overflow: hidden;
	margin-right: 75px;
}
.footer_content_last {
	width: 280px;
	height: 180px;
	float: left;
	overflow: hidden;
}
.footer_content .seperator {
	margin-bottom: 20px;
}
.footer_content_last .seperator {
	margin-bottom: 25px;
}
.social_link {
	width: 45px;
	height: 45px;
	float: left;
	margin: 5px;
}
.followAvatar {
	height: 35px;
	width: 34px;
	float: left;
	margin: 5px;
	padding: 10px 0 0 11px;
	background-image: url( /images/avatar_back.png );
}
.followAvatar img {
	width: 25px;
	height: 25px;
}
#copyright .seperator {
	width: 990px;
	margin: 0 auto 10px auto;
}
.footer {
	color: #0071BC;
	height: 43px;
	width: 490px;
	font-size: 10px;
	margin-top: -8px;
	margin-left: 20px;
	line-height: 35px;
	padding: 0 20px;
	font-family: 'Lucida Sans', 'Lucida Grande', 'Lucida Sans Unicode', sans-serif;
	background-image: url( /images/tags_background.png );
}
#copyright {
	height: 49px;
	width: 990px;
	margin: 0 auto;
	text-align: center;
	color: #fff;
	font-size: 12px;
}
                    
#copyright a {
	color: #000;
}
#copyright a:hover {
	text-decoration: underline;
}
/* ----------------------------------------- */
/* ---------- GENERIC POST STYLES ---------- */
/* ----------------------------------------- */
.post {
	width: 990px;
	position: relative;
	margin-bottom: 100px;
}
#post {
	width: 600px;
	float: left;
}
#postHeader {
	height: 27px;
	width: 551px;
	background-repeat: no-repeat;
	background-image: url( /images/content_header.png );
}
#postContent {
	width: 501px;
	padding: 0 25px;
	background-repeat: repeat-y;
	background-image: url( /images/content_slice.png );
}
#postFooter {
	height: 51px;
	width: 551px;
	background-repeat: no-repeat;
	background-image: url( /images/content_footer.png );
}
#pageContent {
	background-position: center;
	background-repeat: repeat-y;
}
.copy p {
	color: #999;
	margin: 10px 0 0 0;
	padding: 0;
}
                        
.copy > p:first-child {
	margin-top: 0;
}
                        
.copy img {
	max-width: 100%;
}
.post img {
	max-width: 500px;
}
#content {
	width: 990px;
	margin-top: 30px;
}
.post_type {
	width: 180px;
	float: left;
}
.photo_icon, .quote_icon, .text_icon, .video_icon, .chat_icon, .link_icon, .audio_icon {
	height: 80px;
	width: 75px;
	cursor: pointer;
	background-image: url( /images/post_type_sprite.png );
}
.photo_icon:hover {
	background-position: 75px 0;
}
.audio_icon {
	background-position: 0 320px;
}
.audio_icon:hover {
	background-position: 75px 320px;
}
.chat_icon {
	background-position: 0 80px;
}
.chat_icon:hover {
	background-position: 75px 80px;
}
.link_icon {
	background-position: 0 395px;
}
.link_icon:hover {
	background-position: 75px 395px;
}
.quote_icon {
	background-position: 0 240px;
}
.quote_icon:hover {
	background-position: 75px 240px;
}
.text_icon {
	background-position: 0 160px;
}
.text_icon:hover {
	background-position: 75px 160px;
}
.video_icon {
	background-position: 0 480px;
}
.video_icon:hover {
	background-position: 75px 480px;
}
.post_nav {
	width: 200px;
	float: right;
}
.post_nav ul {
	list-style: none;
	margin: 0;
}
.post_nav ul li {
	height: 50px;
	width: 140px;
	cursor: pointer;
	line-height: 50px;
	text-align: left;
	margin-right: 0;
}
.post_nav ul li:hover {
	color: #000;
	background-position: 0 50px;
}
.post_nav ul li a {
	color: #666;
}
.post_nav ul li a:hover {
	color: ;
}
.tag a, .date a, .note_count a, .comments a {
	color: #666;
	width: 120px;
	height: 50px;
	line-height: 50px;
	display: block;
	padding-left: 40px;
	background-repeat: repeat-y;
}
.tag a:hover, .date a:hover, .note_count a:hover, .comments a:hover {
	color: #000;
	background-position: 0 50px;
}
.tag a {
	background-image: url( /images/tag_button.png );
}
.date a {
	background-image: url( /images/post_date.png );
}
.note_count a {
	background-image: url( /images/notes_button.png );
}
.comments a {
	background-image: url( /images/comment_button.png );
}
#disqus_comments {
	width: 550px;
	margin: 0 0 0 180px;
}
.question {
	font-size: 20px;
	margin: 10px 0;
}
.asker_container {
	line-height: 24px;
}
/* ----------------------------------------- */
/* ---------- PAGE BUTTONS STYLES ---------- */
/* ----------------------------------------- */
#pages_background {
	height: 51px;
	background-image: url( /images/nav_background.png );
}
#pages {
	width: 990px;
	margin: 0 auto;
}
.page {
	float: left;
	cursor: pointer;
	text-align: center;
	font-size: 14px;
	margin-right: 30px;
	line-height: 41px;
	text-shadow: #fff 1px 1px 2px;
}
.page a {
	color: #666;
	text-decoration: none;
}
.page a:hover {
	color: #0071bc;
}
#topButton {
	float: left;
	height: 30px;
	width: 168px;
	padding-top: 20px;
	text-align: center;
	margin-bottom: 20px;
	text-decoration: none;
	background-color: lightgray;
}
#topButton a {
	color: #fff;
	text-decoration: none;
}
#searchTitle {
	color: #ffffff;
	float: right;
	width: 240px;
	margin-top: 30px;
}
#search {
	width: 170px;
	height: 51px;
	float: right;
	/*background-image: url( /images/search.png );*/
}
#search-scope {
	color: #fff;
	width: 254px;
	float: right;
	margin-bottom: 10px;
}
#searchresults {
    color: #000;
	font-size: 14px;
	margin-top: 10px;
}
#following {
	color: #fff;
	height: 46px;
	width: 289px;
	clear: both;
	margin: 10px 0 0 -35px;
	padding: 12px 0 0 20px;
}
#following img {
	border: 2px solid #0071BC;
}
#metadataTitle {
	color: #ffffff;
	width: 289px;
	height: 46px;
	clear: both;
	padding-top: 12px;
	padding-left: 20px;
	margin-left: -35px;
	margin-top: 15px;
}
#buttons a {
	color: #fff;
	text-decoration: none;
}
	
.button {
	width: 93px;
	height: 18px;
	float: left;
	padding-top: 10px;
	text-align: center;
	margin: 0 10px;
	font-size: 14px;
}
.button:hover {
	background-position: 0 36px;
}
.postText {
	font-size: 12px;
	color: #666666;
	padding-top: 10px;
}
                    
#search-scope {
	padding-top: 5px;
	font-size: 11px;
	text-align: center;
}
                    
#search-scope input,
#search-scope label {
	cursor: pointer;
}
                
#search form {
	margin: 0;
}
                    
#search input.query {
	height: 28px;
	width: 125px;
	color: #666;
	border: 0px;
	float: right;
	margin-top: 6px;
	padding-right: 10px;
	padding-left: 30px;
	background-repeat: no-repeat;
	background-image: url( /images/search.jpg );
}
                           
#search form .submit:hover {
	opacity: 0.9;
	filter: alpha(opacity=90);
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=90)";
}
                    
#top a {
	color: white;
	text-decoration: none;
}
                            
#buttons div {
	padding-bottom: 10px;
}
                
#bottom {
	width: 250px;
	height: 25px;
}
        	
/* ------------------------------------ */
/* ---------- TWITTER STYLES ---------- */
/* ------------------------------------ */
#twitterwrapper {
}
#twitter {
	color: #ffffff;
	width: 289px;
	height: 46px;
	clear: both;
}
#tweet .content {
	color: #fff;
	height: 50px;
	margin-bottom: 10px;
}
#tweet .container a {
	color: #000;
}
#tweet .container a:hover {
	color: #000;
	text-decoration: underline;
}
/* QUOTE POST STYLES */
.quote {
	color: #fff;
	margin-top: 0;
	padding: 15px 0;
}
                    
.quote.short {
	font-size: 33px;
	line-height: 35px;
}
                    
.quote.medium {
	font-size: 25px;
	line-height: 28px;
	margin-top: 10px;
}
                    
.quote.long {
	font-size: 18px;
	line-height: 22px;
}
.quote_source {
	margin-top: 10px;
}
.quote_source *:first-child {
	margin-top: 0px;
}
                        
.quote_source *:last-child {
	margin-bottom: 0px;
}
                        
.quote *:first-child {
	margin-top: 0px;
}
.quote *:last-child {
	margin-bottom: 0px;
}
/* MEDIA POST STYLES */
.media {
	text-align: center;
}
.media img {
	border: 1px solid #999;
}
#imageTitle {
	height: 43px;
	width: 547px;
	color: white;
	font-size: 16px;
	margin-left: -87px;
	padding-top: 17px;
	padding-left: 70px;
}
#videoTitle {
	height: 43px;
	width: 547px;
	color: white;
	font-size: 16px;
	margin-left: -87px;
	padding-top: 17px;
	padding-left: 70px;
}
/* TEXT POST STYLES */
#textTitle {
	height: 43px;
	width: 547px;
	color: white;
	font-size: 16px;
	margin-left: -87px;
	padding-top: 17px;
	padding-left: 70px;
}
/* -------------------------------------- */
/* ---------- AUDIO POST STYLES --------- */
/* -------------------------------------- */
#audioTitle {
	height: 43px;
	width: 547px;
	color: white;
	font-size: 16px;
	margin-left: -87px;
	padding-top: 17px;
	padding-left: 70px;
}
.audioText {
	width: 320px;
	font-size: 12px;
	color: #999;
	float: left;
}
.audio {
	float: left;
	margin-bottom: 10px;
}
                                                        
.player {
	float: left;
}
                        
.audio_player embed {
	border: 1px solid #c8c8c8;
}
                        
.meta {
	padding: 8px 13px;
	height: 13px;
	float: left;
	color: #666;
	font-family: 'Lucida Sans', 'Lucida Grande', 'Lucida Sans Unicode', sans-serif;
	font-size: 11px;
}
                        
.meta a {
	color: #666;
	text-decoration: none;
}
                    
.album_art {
	width: 180px;
	height: 180px;
	float: right;
	margin-bottom: 3px;
}
.album_art img {
	width: 180px;
	border: 1px solid #999;
}
/* -------------------------------------- */
/* ---------- CHAT POST STYLES ---------- */
/* -------------------------------------- */
#chatTitle {
	height: 43px;
	width: 547px;
	color: white;
	font-size: 16px;
	margin-left: -87px;
	padding-top: 17px;
	padding-left: 70px;
}
.chat {
	margin: 0 10px 0 10px;
	font-size: 14px;
}
                                        
.lines {
	margin-left: 1px;
}
                        
.line {
	color: #666;
	margin-bottom: 1px;
	padding: 10px;
	border-bottom: 1px solid #999;
}
                        
.line.even {
	color: #999;
	border-bottom: 1px solid #999;
}
/* -------------------------------------- */
/* ---------- LINK POST STYLES ---------- */
/* -------------------------------------- */
#linkTitle {
	height: 43px;
	width: 547px;
	color: white;
	font-size: 16px;
	margin-left: -87px;
	padding-top: 17px;
	padding-left: 70px;
}
.link {
	padding: 15px 0;
}
.link a {
	color: #000;
	font-size: 30px;
	font-weight: bold;
}
.link a:hover {
	text-decoration: underline;
}
/* ----------------------------------- */
/* ----------- OTHER STYLES ---------- */
/* ----------------------------------- */
blockquote {
	margin: 0;
	padding: 10px 0px 10px 15px;
	font-style: italic;
}
                        
.copy blockquote {
	border-left: solid 4px #dcdcdc;
	}
                            
.copy blockquote blockquote {
	border-left: solid 4px #cccccc;
	}
                                
.copy blockquote blockquote blockquote {
	border-left: solid 4px #bcbcbc;
	}
                                    
.copy blockquote blockquote blockquote blockquote {
	border-left: solid 4px #acacac;
	}
                                        
.copy blockquote blockquote blockquote blockquote blockquote {
	border-left: solid 4px #9c9c9c;
	}
                                            
.copy blockquote blockquote blockquote blockquote blockquote blockquote {
	border-left: solid 4px #8c8c8c;
	}
                        
#navigation {
	line-height: 50px;
	text-align: right;
	padding-bottom: 35px;
	margin-bottom: 50px;
	}
	
.prev_button {
	float: left;
}
.next_button {
	float: right;
}
	
.prev_button a, .next_button a {
	color: #666;
	text-decoration: none;
	height: 35px;
	display: block;
	text-align: left;
	line-height: 35px;
	background-image: url( /images/nav_buttons.png );
}
.prev_button a {
	width: 95px;
	padding-left: 40px;
	background-position: 0 165px;
}
.prev_button a:hover {
	color: #000;
	background-position: 0 122px;
}
.next_button a {
	width: 120px;
	padding-left: 15px;
	background-position: 0 80px;
}
.next_button a:hover {
	color: #000;
	background-position: 0 37px;
}
	
.navButton {
	height: 30px;
	width: 168px;
	padding-top: 20px;
	text-align: center;
	background-repeat: no-repeat;
	background-color: lightgray;
}
        
.notecontainer {
	width: 550px;
	float: left;
	font-size: 11px;
	color: #fff;
	margin-left: 180px;
}
.notecontainer .avatar {
	border: 1px solid #000;
}
.notecontainer a {
	color: #000;
	text-decoration: none;
}
.notecontainer a:hover {
	text-decoration: underline;
}
.notecontainer ol.notes {
	padding: 0px 0 20px 0;
	list-style-type: none;
	font-size: 11px;
	}
.notecontainer ol.notes li.note {
	padding: 10px 10px 0 10px;
}
.notecontainer ol.notes li.note img.avatar {
	vertical-align: -4px;
	margin-right: 10px;
	}
.notecontainer ol.notes li.note span.action {
	font-weight: normal;
}
.notecontainer ol.notes li.note .answer_content {
	font-weight: normal;
}
.notecontainer ol.notes li.note blockquote {
	border-left: 2px solid #666;
	padding: 4px 10px;
	margin: 10px 0px 0px 25px;
}
.notecontainer ol.notes li.note blockquote a {
	text-decoration: none;
}
/* TWITTER STYLES */
#twitterwrapper {
	margin-top: 10px;
}
#twitter {
	color: #ffffff;
	width: 289px;
	height: 46px;
	clear: both;
	padding-top: 12px;
	padding-left: 20px;
	margin-left: -35px;
	margin-top: 15px;
}
#twitterTitle a {
	color: #ffffff;
}
#tweets a {
	color: #fff;
	line-height: 18px;
	text-decoration: none;
	text-align: justify;
}	
#tweets a .tweet {
	margin-bottom: 15px;
}
#tweets a:hover {
	color: #0071bc;
}
#tweetcontainer {
	height: 360px;
	font-size: 12px;
	overflow: hidden;
	margin-bottom: 20px;
}
#tweetcontainer .content {
	height: 85px;
	width: 213px;
	color: #999;
	margin: 5px 0 5px -5px;
	padding: 15px 20px;
	text-decoration: none;
	background-image: url( /images/twitter_background.png );
}
#tweetcontainer a {
	color: #999;
	text-decoration: none;
}
#tweetcontainer a:hover {
	color: #fff;
	text-decoration: none;
}
</style>
<style type="text/css"></style>Я даже не знаю че не так   1px;
1px;
height:51px;
border:none;
text-indent:-999px;
background:url( /images/ui.totop.png ) no-repeat left top;
}
#toTopHover {
background:url( /images/ui.totop.png ) no-repeat left -51px;
width:51px;
height:51px;
display:block;
overflow:hidden;
float:left;
opacity: 0;
-moz-opacity: 0;
filter:alpha(opacity=0);
}
#toTop:active, #toTop:focus {
outline:none;
}
.postText ul {
margin: 0;
padding-bottom: 10px;
}
.postText ul li {
line-height: 20px;
}
/* ----------------------------------- */
/* ---------- HEADER STYLES ---------- */
/* ----------------------------------- */
#title_background {
background-image: url( /images/title_background.jpg );
background-position: bottom;
background-repeat: repeat-x;
background-color: #ffffff;
}
#title {
color: #fff;
width: 990px;
margin: 0 auto;
padding: 30px 0 20px 0;
letter-spacing: 2px;
text-align: center;
}
.title {
color: white;
height: 45px;
width: 543px;
padding-top: 15px;
padding-left: 20px;
margin-left: -33px;
}
#description {
color: #999;
width: 990px;
margin: 0 auto;
padding: 20px 0;
font-style: italic;
text-align: center;
}
/* ----------------------------------- */
/* ---------- FOOTER STYLES ---------- */
/* ----------------------------------- */
#footer {
height: 259px;
color: white;
font-size: 12px;
position: relative;
background-image: url( /images/footer_gray.jpg );
}
#footer_container {
height: 189px;
width: 990px;
padding-top: 20px;
margin: 0 auto;
}
.clear_footer {
height: 259px;
clear: both;
}
.footer_content h4, .footer_content_last h4 {
margin: 10px 0;
}
.footer_content {
width: 280px;
height: 180px;
float: left;
overflow: hidden;
margin-right: 75px;
}
.footer_content_last {
width: 280px;
height: 180px;
float: left;
overflow: hidden;
}
.footer_content .seperator {
margin-bottom: 20px;
}
.footer_content_last .seperator {
margin-bottom: 25px;
}
.social_link {
width: 45px;
height: 45px;
float: left;
margin: 5px;
}
.followAvatar {
height: 35px;
width: 34px;
float: left;
margin: 5px;
padding: 10px 0 0 11px;
background-image: url( /images/avatar_back.png );
}
.followAvatar img {
width: 25px;
height: 25px;
}
#copyright .seperator {
width: 990px;
margin: 0 auto 10px auto;
}
.footer {
color: #0071BC;
height: 43px;
width: 490px;
font-size: 10px;
margin-top: -8px;
margin-left: 20px;
line-height: 35px;
padding: 0 20px;
font-family: 'Lucida Sans', 'Lucida Grande', 'Lucida Sans Unicode', sans-serif;
background-image: url( /images/tags_background.png );
}
#copyright {
height: 49px;
width: 990px;
margin: 0 auto;
text-align: center;
color: #fff;
font-size: 12px;
}
#copyright a {
color: #000;
}
#copyright a:hover {
text-decoration: underline;
}
/* ----------------------------------------- */
/* ---------- GENERIC POST STYLES ---------- */
/* ----------------------------------------- */
.post {
width: 990px;
position: relative;
margin-bottom: 100px;
}
#post {
width: 600px;
float: left;
}
#postHeader {
height: 27px;
width: 551px;
background-repeat: no-repeat;
background-image: url( /images/content_header.png );
}
#postContent {
width: 501px;
padding: 0 25px;
background-repeat: repeat-y;
background-image: url( /images/content_slice.png );
}
#postFooter {
height: 51px;
width: 551px;
background-repeat: no-repeat;
background-image: url( /images/content_footer.png );
}
#pageContent {
background-position: center;
background-repeat: repeat-y;
}
.copy p {
color: #999;
margin: 10px 0 0 0;
padding: 0;
}
.copy
Отредактировано papas_tm_serjik (14.01.2012 20:31)


