CSS 2.1 erreurs: non connue le nom de la propriété

Voici mon code, je l'ai eu à partir d'un exemple AJAX:

body, div, p, h1, h2, h3, h4, ul, li, table
{
margin:0;
padding:0;
border:none;
}
body
{
background: #B4B4B4 url(images/body_bg.gif) repeat left top;    
font-family: Tahoma, Arial, sans-serif;
font-size:75%;
}
/* Master Page Layout */
#master_header
{
margin: -1px auto 0 auto;
width: 800px;
}
#master_headertop
{
background: url(images/headertop_img.jpg) no-repeat left top;
}
#master_headerbottom
{
background: url(images/headerbottom_img.png) no-repeat left top;
}
#master_page
{
margin: 5px auto 20px auto;
width: 800px;
}
#master_menu 
{
float: left;
width: 240px;
padding-right: 10px;
}
.sidebar 
{
width: 100%;
margin-bottom: 10px;
}
.sidebarheader
{
height: 24px;
padding: 10px 0 0 35px;
background: url(images/sidebar_header.png) no-repeat left top;
color: #FFF;
font-family: Arial, Sans-Serif;
font-size: 1.2em;
font-weight: bold;
text-transform: uppercase;
}
.sidebarcontent
{   
border: 1px solid #0F2543;
padding: 20px 20px 20px 30px;
line-height: 1.5em;
font-weight: bold;
}
#master_sidebarSamples
{   
padding-top: 72px;
background: #FFF url(images/samples_bg.gif) no-repeat left top;
}
#master_sidebarWalkthroughs
{
padding-top: 72px;
background: #FFF url(images/walkthrough_bg.gif) no-repeat left top;
}
.sidebarcontent a
{
padding: 2px 5px;
color: #5377A9;
text-decoration: none;
}
.sidebarcontent a:hover
{
background-color: #0F2543;
color: #FFF;
}
.sidebarcontent a:visited
{
font-weight: normal;
}
#master_content
{
float: left;
width: 550px;
margin-right: -550px;
color: #666666;
}
/*
#master_content a
{
color: #5377A9;
padding: 1px;
}
#master_content a:link
{
}
#master_content a:visited
{
}
#master_content a:hover
{
background-color: #BFBFBF;
color:#FFF;
}
*/
#master_content ul
{
margin: 0 25px 0 30px;
}
#master_contentheader
{
height: 19px;
background: url(images/rightcoltop.gif) no-repeat right top;
}
#master_contentplaceholder
{
padding: 30px 20px 40px 20px;
border-left: 1px solid #0F2543;
border-right: 1px solid #0F2543;
border-bottom: 1px solid #0F2543;
background-color: #EFEFEF;
line-height: 1.5em;
}
#master_contentfooter
{
clear: both;
padding: 10px 0 5px 10px;
color: #333;
font-size: 0.8em;
letter-spacing: 0.1em;
}
/* Content Page Layout             */
.demoarea {
padding:20px;
background:#FFF url(images/demotop.png) no-repeat left top;
}
.demoarea p 
{
padding:5px;
}
.demoheading {
padding-bottom:20px;
color:#5377A9;
font-family:Arial, Sans-Serif;
font-weight:bold;
font-size:1.5em;
}
.demobottom {
height:8px;
background:#FFF url(images/demobottom.png) no-repeat left bottom;
}
.heading {
padding: 1em 0 1em 0;
color:#5377A9;
font-family:Arial, Sans-Serif;
font-weight:bold;
font-size:1.2em;
}
.subheading{
padding:.8em 0 0.5em 0;
color:#0F2543;
font-weight:bold;
font-family:Arial, Sans-Serif;
font-size:1.1em;
}
p {}
em {font-style:italic}
i {font-style: italic;}
strong {font-weight:bold;}
.codeReference
{
font-family: 'Courier New', Monospace;
font-style: normal;
font-weight: bold;
}
pre, code {
display:block;
margin:15px 15px 15px 0;
padding:10px;
border:1px dashed #CCC;
background-color:#FFF;
color:#000;
font-family:'Courier New', Monospace;
font-size:0.9em;
font-style:normal;
}
.releaseList {
list-style-type:disc;
}
/* Styles for the Animation Reference */
.animationReferenceTable
{
}
.animationReferenceRow
{
}
.animationReferenceField
{
text-align: right;
vertical-align: top;
padding-top: 5px;
}
.animationReferenceCode
{
margin-top: 5px;
vertical-align: top;
font-family: 'Courier New', Monospace;
font-style: normal;
font-weight: bold;
display:block;
background-color:#FFF;
color:#000;
font-family:'Courier New', Monospace;
font-size:0.9em;
font-style:normal;
font-weight: bold;
margin-bottom: 5px;
}
.animationReferenceItems
{
vertical-align: top;
}
.animationReferenceItemTable
{
width: 100%;
padding: 0px;
margin: 0px;
}
.animationReferenceItemRow
{
width: 100%;
padding: 0px;
margin: 0px;
}
.animationReferenceItem
{
width: 100%;
padding: 0px;
margin: 0px;
padding-bottom: 10px;
}
.animationReferenceItemCode
{
display:block;
background-color:#FFF;
color:#000;
font-family:'Courier New', Monospace;
font-size:0.9em;
font-style:normal;
font-weight: bold;
}
/******************************/
/**Styling information specific to individual content pages**/
/* Accordion */
.accordionHeader
{
border: 1px solid #2F4F4F;
color: white;
background-color: #2E4d7B;
font-family: Arial, Sans-Serif;
font-size: 12px;
font-weight: bold;
padding: 5px;
margin-top: 5px;
cursor: pointer;
}
#master_content .accordionHeader a
{
color: #FFFFFF;
background: none;
text-decoration: none;
}
#master_content .accordionHeader a:hover
{
background: none;
text-decoration: underline;
}
.accordionContent
{
background-color: #D3DEEF;
border: 1px dashed #2F4F4F;
border-top: none;
padding: 5px;
padding-top: 10px;
}
/*Cascading DropDown*/
/*CollapsiblePanel*/
.collapsePanel {
background-color:white;
overflow:hidden;
}
.collapsePanelHeader{   
width:100%;     
height:30px;
background-image: url(images/bg-menu-main.png);
background-repeat:repeat-x;
color:#FFF;
font-weight:bold;
}
#master_content .collapsePanelHeader a {color:#FFF;}
#master_content .collapsePanelHeader a:hover {text-decoration:none;background:none;}
/*Confirm Button*/
/* DropShadow */
#master_content .dropShadowPanel span {color:white;text-decoration:underline;}
#master_content .dropShadowPanel span:hover {text-decoration:none;}
.dropShadowPanel 
{   
width:300px;    
background-color:#5377A9;       
color:white;
font-weight:bold;       
}
/*Drag Panel*/
.dragMe {
width:100%;
height:21px;
background-color:#FFF;
background-image:url(images/header-opened.png);
text-align:center;
cursor:move;
font-weight:bold;
}
.overflowHidden {overflow:hidden;}
.overflowScroll {overflow:hidden;}
/*Hover Menu*/
.popupMenu {
position:absolute;
visibility:hidden;
background-color:#F5F7F8;
opacity:.9;
filter: alpha(opacity=90);
}
.popupHover {
background-image:url(images/header-opened.png);
background-repeat:repeat-x;
background-position:left top;
background-color:#F5F7F8;
}
/* PagingBulletedList */
.selectIndex {
font-weight: bold;
text-decoration:none;
}
.unselectIndex {
font-weight:normal;
text-decoration:underline;
}
/*Modal Popup*/
.modalBackground {
background-color:Gray;
filter:alpha(opacity=70);
opacity:0.7;
}
.modalPopup {
background-color:#ffffdd;
border-width:3px;
border-style:solid;
border-color:Gray;
padding:3px;
width:250px;
}
.sampleStyleA {
background-color:#FFF;
}
.sampleStyleB {
background-color:#FFF;
font-family:monospace;
font-size:10pt;
font-weight:bold;
}
.sampleStyleC {
background-color:#ddffdd;
font-family:sans-serif;
font-size:10pt;
font-style:italic;
}
.sampleStyleD {
background-color:Blue;
color:White;
font-family:Arial;
font-size:10pt;
}
/*Popup Control*/
.popupControl{
background-color:White;
position:absolute;
visibility:hidden;
}
/*Reorder List*/
.dragHandle {
width:10px;
height:15px;
background-color:Blue;
background-image:url(images/bg-menu-main.png);
cursor:move;
border:outset thin white;
}
.callbackStyle {
border:thin blue inset;     
}
.callbackStyle table {
background-color:#5377A9;   
color:Black;
}
.reorderListDemo li {
list-style:none;
margin:2px;
background-image:url(images/bg_nav.gif);
background-repeat:repeat-x;
color:#FFF;
}
.reorderListDemo li a {color:#FFF !important; font-weight:bold;}
.reorderCue {
border:dashed thin black;
width:100%;
height:25px;
}
.itemArea {
margin-left:15px;
font-family:Arial, Verdana, sans-serif;
font-size:1em;
text-align:left;
}
/* Rounded Corners*/
.roundedPanel
{   
width:300px;    
background-color:#5377A9;   
color:white;
font-weight:bold;       
}
/* ResizableControl */
.frameImage
{
width:130px;
height:65px;
overflow:hidden;
float:left;
padding:3px;
}
.frameText
{
width:100px;
height:100px;
overflow:auto;
float:left;
background-color:#ffffff;
border-style:solid;
border-width:2px;
border-color:Gray;
font-family:Helvetica;
line-height:normal;
}
.handleImage
{
width:15px;
height:16px;
background-image:url(images/HandleHand.png);
overflow:hidden;
cursor:se-resize;
}
.handleText
{
width:16px;
height:16px;
background-image:url(images/HandleGrip.png);
overflow:hidden;
cursor:se-resize;
}
.resizingImage
{
padding:0px;
border-style:solid;
border-width:3px;
border-color:#B4D35D;
}
.resizingText
{
padding:0px;
border-style:solid;
border-width:2px;
border-color:#7391BA;
}
/*Textbox Watermark*/
.unwatermarked {
height:18px;
width:148px;
font-weight:bold;
}
.watermarked {
height:20px;
width:150px;
padding:2px 0 0 2px;
border:1px solid #BEBEBE;
background-color:#F0F8FF;
color:gray;
}   
/* Rating */
.ratingStar {
font-size: 0pt;
width: 13px;
height: 12px;
margin: 0px;
padding: 0px;
cursor: pointer;
display: block;
background-repeat: no-repeat;
}
.filledRatingStar {
background-image: url(Images/FilledStar.png);
}
.emptyRatingStar {
background-image: url(Images/EmptyStar.png);
}
.savedRatingStar {
background-image: url(Images/SavedStar.png);
}
/*Toggle Button*/
/*Setup*/
.walkthrough li {padding-bottom:5px;}
/*Using a sample extender*/
/*Creating a new extender*/
.walkthroughNote {
padding-left:25px;
font-style:italic;
}
/*Other neat stuff*/
/************ PasswordStrength Related Styles ***********************/
.TextIndicator_TextBox1
{
background-color:Gray;
color:White;
font-family:Arial;
font-size:x-small;
font-style:italic;  
padding: 2px 3px 2px 3px;   
}
.BarIndicator_TextBox2
{
color:Blue;
background-color:Blue;
}
.BarBorder_TextBox2
{
border-style:solid;
border-width:1px;
width:200px;
vertical-align:middle;
}
.TextIndicator_TextBox3
{
background-color:Blue;
color:Yellow;
font-size:small;
font-variant:small-caps;  
padding: 2px 3px 2px 3px;   
}
.TextIndicator_TextBox3_Handle
{
width:16px;
height:14px;
background-image:url(images/Question.png);
overflow:hidden;
cursor:help;
}
.dynamicPopulate_Normal 
{   
border:silver 1px inset;
padding:2px;
text-align:center;
height:2em;
margin:5px;
width:200px;
}
.dynamicPopulate_Updating 
{
background-image:url(images/loading.gif);
background-repeat:no-repeat;
border:silver 1px inset;
text-align:center;
padding:2px;
height:2em;
margin:5px;
width:200px;
}
/************ MaskedEdit Related Styles ***********************/
.MaskedEditFocus
{
background-color: #ffffcc;
color: #000000;
}
.MaskedEditMessage
{
color: #ff0000;
font-weight: bold;
}
.MaskedEditError
{
background-color: #ffcccc;
}
.MaskedEditFocusNegative
{
background-color: #ffffcc;
color: #000000;
}
.MaskedEditBlurNegative
{
color: #ff0000;
}
.MyCalendar .ajax__calendar_container {
border:1px solid #646464;
background-color: lemonchiffon;
color: red;
}
.MyCalendar .ajax__calendar_other .ajax__calendar_day,
.MyCalendar .ajax__calendar_other .ajax__calendar_year {
color: black;
}
.MyCalendar .ajax__calendar_hover .ajax__calendar_day,
.MyCalendar .ajax__calendar_hover .ajax__calendar_month,
.MyCalendar .ajax__calendar_hover .ajax__calendar_year {
color: black;
}
.MyCalendar .ajax__calendar_active .ajax__calendar_day,
.MyCalendar .ajax__calendar_active .ajax__calendar_month,
.MyCalendar .ajax__calendar_active .ajax__calendar_year {
color: black;
font-weight:bold;
}
.validatorCalloutHighlight 
{
background-color: lemonchiffon; 
}

J'obtiens les erreurs suivantes:

Erreur 1 Validation (CSS 2.1): 'opacité' est pas connu propriété CSS
nom. C:\Documents and Settings\agordon\Mes Documents\Visual Studio
2008\Sites\WebSite3\Feuille De Style.css 402 2 C:...\WebSite3\
2 erreur de Validation (CSS 2.1): "filtre" n'est pas connue d'une propriété CSS
nom. C:\Documents and Settings\agordon\Mes Documents\Visual Studio
2008\Sites\WebSite3\Feuille De Style.css 403 2 C:...\WebSite3\
Erreur 3. la Validation (CSS 2.1): "filtre" n'est pas connue d'une propriété CSS
nom. C:\Documents and Settings\agordon\Mes Documents\Visual Studio
2008\Sites\WebSite3\Feuille De Style.css 427 2 C:...\WebSite3\
Erreur 4 Validation (CSS 2.1): 'opacité' est pas connu propriété CSS
nom. C:\Documents and Settings\agordon\Mes Documents\Visual Studio
2008\Sites\WebSite3\Feuille De Style.css 428 2 C:...\WebSite3\
Erreur 5 Validation (CSS 2.1): 'lemonchiffon" n'est pas une valeur valide pour
le 'background-color' de la propriété. C:\Documents and Settings\agordon\Mes
Documents\Visual Studio
2008\Sites\WebSite3\Feuille De Style.css 738 23 C:...\WebSite3\
6 erreur de Validation (CSS 2.1): 'lemonchiffon" n'est pas une valeur valide pour
le 'background-color' de la propriété. C:\Documents and Settings\agordon\Mes
Documents\Visual Studio
2008\Sites\WebSite3\Feuille De Style.css 759 23 C:...\WebSite3\

Personne ne sait ce que je fais de mal?

OriginalL'auteur l--''''''---------'''''''''''' | 2011-08-30

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