Optimização de css com o css compressor

CSS inserida

body {
	color: #666666;
	margin: 0px;
	padding: 0px;
	background: #CED3BC url(../imagens/1.png);
	font: 12px/16pt Verdana, Arial, Helvetica, sans-serif;
}
#head h1{
	color: #CC3300;
	width: 655px;
	margin-left: 50px;
	height: auto;
	margin-top: 50px;
	text-align: left;
	letter-spacing: -10px;
	padding: 0px;
	font: bold 11em/1 Arial, Helvetica, sans-serif;
	margin-bottom: 0px;
}
#anoLectivo {
	width: 655px;
	margin-left: 50px;
	text-align: left;
	padding-top: 7px;
	padding-right: 0px;
	padding-bottom: 0px;
	padding-left: 3px;
}
address {
	font-style: normal;
}
.titulo {
	font-family: "Courier New", Courier, monospace;
	font-size: 2em;
	color: #45667E;
	text-align: left;
	font-weight: bold;
	line-height: 2em;
}

.destaque {
	font-weight: bold;
	}
.CollapsiblePanelContent p {
	padding-left: 30px;
}
.CollapsiblePanelContent h3 {
	padding-left: 10px;
	border-bottom: 1px dotted #666666;
	padding-bottom: 5px;
	font-size: 1.4em;
}
.CollapsiblePanelTab h2{
	margin: 0px;
	color: #666666;
	padding-top: 5px;
	padding-bottom: 3px;
	padding-left: 3px;
	font: 1.7em/1.4em sans-serif;
	border-bottom: 1px dotted #666666;
}

.CollapsiblePanelContent  h4 {
	padding-left: 20px;
	font-size: 1.2em;
}
img {
	text-decoration: none;
	border-style: none;
}

.CollapsiblePanelContent ul {
	padding-left: 80px;
}
	
a:link, a:visited  {
	color: #333333;
	text-decoration: underline;
	font: 12px/16pt Verdana, Arial, Helvetica, sans-serif;
}
	
a:hover {
	color: #000000;
	text-decoration: underline;
}
.CollapsiblePanelContent ul li {
	list-style: url(../imagens/arrow2_e.png) none;
}

a[href$=".pdf"]{
background: url(../imagens/document.png) no-repeat left top;
padding-left:20px;
padding-top:3px;
}
a[href$=".zip"]{
background: url(../imagens/folder.png) no-repeat left top;
padding-left:20px;
padding-top:3px;
} 
a[href$=".rar"]{
background: url(../imagens/folder.png) no-repeat left top;
padding-left:20px;
padding-top:3px;
} 
a[href^="mailto:"]{
background: url(../imagens/mail.png) no-repeat right top;
padding-right: 20px;
padding-top:6px;
}

Mensagens após a optimização

/*Mensagens*/
2 	Optimised color: Changed "#666666" to "#666"
3 	Optimised number: Changed "0px" to "0"
4 	Optimised number: Changed "0px" to "0"
9 	Optimised color: Changed "#CC3300" to "#C30"
16 	Optimised number: Changed "0px" to "0"
18 	Optimised number: Changed "0px" to "0"
25 	Optimised number: Changed "0px" to "0"
26 	Optimised number: Changed "0px" to "0"
37 	Optimised font-weight: Changed "bold" to "700"
42 	Optimised font-weight: Changed "bold" to "700"
49 	Optimised color: Changed "#666666" to "#666"
54 	Optimised number: Changed "0px" to "0"
55 	Optimised color: Changed "#666666" to "#666"
60 	Optimised color: Changed "#666666" to "#666"
77 	Optimised color: Changed "#333333" to "#333"
83 	Optimised color: Changed "#000000" to "#000"

Optimização do ficheiro CSS

/*css comprimida*/
body{background:#CED3BC url(../imagens/1.png);color:#666;font:12px/16pt Verdana, Arial, Helvetica, sans-serif;margin:0;padding:0}
#head h1{color:#C30;font:bold 11em/1 Arial, Helvetica, sans-serif;height:auto;letter-spacing:-10px;margin-bottom:0;margin-left:50px;margin-top:50px;padding:0;text-align:left;width:655px}
#anoLectivo{margin-left:50px;padding:7px 0 0 3px;text-align:left;width:655px}
address{font-style:normal}
.titulo{color:#45667E;font-family:"Courier New", Courier, monospace;font-size:2em;font-weight:700;line-height:2em;text-align:left}
.destaque{font-weight:700}
.CollapsiblePanelContent p{padding-left:30px}
.CollapsiblePanelContent h3{border-bottom:1px dotted #666;font-size:1.4em;padding-bottom:5px;padding-left:10px}
.CollapsiblePanelTab h2{border-bottom:1px dotted #666;color:#666;font:1.7em/1.4em sans-serif;margin:0;padding-bottom:3px;padding-left:3px;padding-top:5px}
.CollapsiblePanelContent h4{font-size:1.2em;padding-left:20px}
img{border-style:none;text-decoration:none}
.CollapsiblePanelContent ul{padding-left:80px}
a:link,a:visited{color:#333;font:12px/16pt Verdana, Arial, Helvetica, sans-serif;text-decoration:underline}
a:hover{color:#000;text-decoration:underline}
.CollapsiblePanelContent ul li{list-style:url(../imagens/arrow2_e.png) none}
a[href$=.pdf]{background:url(../imagens/document.png) no-repeat left top;padding-left:20px;padding-top:3px}
a[href^=mailto:]{background:url(../imagens/mail.png) no-repeat right top;padding-right:20px;padding-top:6px}
a[href$=.zip],a[href$=.rar]{background:url(../imagens/folder.png) no-repeat left top;padding-left:20px;padding-top:3px}