我使用 Dreamviewer 设计了一个网站。我应用于网页的样式在 Firefox 和 IE 上不可用，网页以纯 HTML 格式显示。但是所有样式在 Chrome 中都能很好地显示。这是什么原因以及如何解决这个问题？
这是我的样式表
* { padding:0; margin:0; border:0; }
p { font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#202020; line-height:180%;}
h1, h2, h3, h4 { color:#00486A; font-family:Arial, Helvetica, sans-serif;}
h1 { padding: 5px 5px 10px 0; font-size:24px;}
#wrapper { margin:5px auto; width:1000px; background-color:#E6E6FF;} /*opacity:0.8; filter:alpha(opacity=80)}*/
body { background:url(../img/backgrounds/sparkling_design-HD.jpg); background-repeat:repeat; }
#logo { float:left; margin:10px 5px 10px 20px; opacity:1; ;}
#logo img { opacity:1;}
#loginform { float:right; padding: 20px 30px 10px 10px; margin: 10px 10px; }
#loginform a { float:right; clear:both; }
#loginform a:link { font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#666; text-decoration:none; }
#loginform a:visited { font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#666; text-decoration:none; }
#loginform a:active { font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#666; text-decoration:none; }
#loginform a:hover { font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#999; text-decoration:none; text-decoration:underline;}
#loginform a:focus { font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#666; text-decoration:none; }
#loginform label { float:left; width:70px; line-height: 100%; font-family:Arial, Helvetica, sans-serif; color:#666; font-size:12px; padding-top:5px;}
#loginform input { -webkit-border-radius:5px; border-radius:5px; width:150px; line-height:180%; height:20px; margin-bottom:10px; padding-right:5px; border:1px solid #999; padding-left: 8px;}
#loginform input[type=submit] { float:right; text-align:center; width:75px; background-color:#82BDFF; font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#333333; padding-left:8px; border: 1px #999999 solid; line-height:10px;}
#loginform input[type=submit]:hover { background-color:#0060FF; color:#FFF; }
#topnav { clear:both; padding:10px 5px 10px 5px; margin:5px 5px 5px 20px; border-top:1px #B7B1FE solid; border-bottom:1px #B7B1FE solid;}
#topnav ul li { display:inline; list-style-type:none; padding-left:20px; }
#topnav ul li a:link { font-family:'Noto Serif',Arial, Helvetica, sans-serif; font-size:14px; text-decoration:none; color:#00324A; font-weight:bold; }
#topnav ul li a:active { font-family:'Noto Serif',Arial, Helvetica, sans-serif; font-size:14px; text-decoration:none; color:#00324A; font-weight:bold; }
#topnav ul li a:visited { font-family:'Noto Serif',Arial, Helvetica, sans-serif; font-size:14px; text-decoration:none; color:#00324A; font-weight:bold; }
#topnav ul li a:hover { font-family:'Noto Serif',Arial, Helvetica, sans-serif; font-size:14px; text-decoration:none; color:#7C96FC; font-weight:bold; }
#topnav ul li a:focus { font-family:'Noto Serif',Arial, Helvetica, sans-serif; font-size:14px; text-decoration:none; color:#00324A; font-weight:bold; }
#banner { clear:both; margin:5px 20px; width:960px;}
#banner img { padding: 10px 0 10px 15px; }
#content { float:left; width:700px; padding:10px 20px 10px 10px; margin:5px 5px 10px 10px; text-align:justify;}
#rightpane { float:right; width:220px; font-family:Arial, Helvetica, sans-serif; font-size:12px; line-height:180%; color:#202020; margin-right: 20px; background-color:#D9DDFF; margin-bottom:20px; border:1px #0080C0 solid; border-radius:5px;}
#searchbox { padding:10px 5px 10px 20px; margin-top:5px; }
#search input[type=text] { border-radius:5px; -webkit-border-radius:5px; height: 20px; width:150px; border:1px #0080C0 solid; margin-right: 5px; }
#search input[type=submit] { border-radius:5px; -webkit-border-radius:5px; -moz-border-radius:5px; height:25px; width:30px; border:1px #0080C0 solid; background-color:#82BDFF; line-height:5px;}
#search input[type=submit]:hover { background-color:#0060FF; color:#FFF; }
#searchbox h3 { margin-left:0; }
/*---------------------Signup page------------ */
#form-content { border: 1px solid #666; float:left; width:690px; padding:10px 20px 10px 10px; margin:5px 15px 10px 20px; }
#form-add-account input[type=text], #form-add-account input[type=password] { width: 200px; height:20px; border-radius:5px; border: 1px #0080C0 solid;}
#form-add-account label { font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#666;}
#form-add-account table { padding-top: 5px; }
/*---------------------------------------------*/
#latest-posts { padding:10px 5px 10px 10px; margin:20px 0; }
#latest-posts ul { list-style-type:none; padding-right:5px; padding-left:10px; line-height: 180%;}
#latest-posts ul li a:link { text-decoration:none; color:#202020;}
#latest-posts ul li a:active { text-decoration:none; color:#202020;}
#latest-posts ul li a:visited { text-decoration:none; color:#202020;}
#latest-posts ul li a:hover { text-decoration:none; color:#7C96FC; text-decoration:blink;}
#latest-posts ul li a:focus { text-decoration:none; color:#202020;}
#recommendations { padding:10px 5px 10px 10px; margin:20px 0; }
#recommendations ul { list-style-type:none; padding-right:5px; padding-left:10px;}
#recommendations ul li a:link { text-decoration:none; color:#202020;}
#recommendations ul li a:active { text-decoration:none; color:#202020;}
#recommendations ul li a:visited { text-decoration:none; color:#202020;}
#recommendations ul li a:hover { text-decoration:none; color:#7C96FC; text-decoration:blink;}
#recommendations ul li a:focus { text-decoration:none; color:#202020;}
#footer { clear:both; width:980px; margin:10px auto; border-top:2px #CCCCCC dotted; font-family:Arial, Helvetica, sans-serif; font-size:10px; color:#666;}
#footer p { font-family:Arial, Helvetica, sans-serif; font-size:10px; color:#666; }
#footer h4 { font-size:11px; padding-bottom:4px; }
#social-media { float:left; width:230px; margin:10px 0px 10px 30px;}
#social-media ul { list-style-type:none; line-height:180%;}
#social-media ul li a:link { text-decoration:none; color:#666;}
#social-media ul li a:active { text-decoration:none; color:#666;}
#social-media ul li a:visited { text-decoration:none; color:#666;}
#social-media ul li a:hover { text-decoration:none; color:#7C96FC; text-decoration:blink;}
#social-media ul li a:focus { text-decoration:none; color:#666;}
#contacts { float:left;width:230px; margin:10px 0px 10px 120px; }
#notice { width:230px; float:right; margin-top:10px; }
#footer-bottom { clear:both; text-align:center; padding:10px 10px 20px 10px; border-top:2px #CCCCCC dotted; }