witam temat dotyczy strony http://dag-bud.pl/site/index.html nie wiem jak moge wysrodkowac strony poniżej migającego napisu chciałbym aby było po srodku

Ekspertem w te klocki nie jestem, ale spróbuj

tak nie da rady mój css to

[PHP] pobierz, plaintext 
@charset "utf-8";
/* CSS Document */
 
#strona { margin-left: auto; margin-right: auto; }
 
#content {
	width: 1029px;
	position: relative;
	padding-top: 15px;
	padding-right: 40px;
	padding-bottom: 0px;
	padding-left: 40px;
	float: center;
	margin-right: 0px;
	margin-bottom: 0px;
	margin-left: 0px;
}
#content_left_column {
	float: left;
	width: 240px;
	position: relative;
}
#content_right_column {
	float: right;
	width: 770px;
	position: relative;
}
 
#left_column_ul {
	margin: 0px;
	padding: 0px;
	list-style-type: none;
}
#left_column_ul li {
	float: left;
}
#left_column_ul a {
	float: left;
	width: 225px;
	display: block;
	font-size: 11px;
	color: #000000;
	text-decoration: none;
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #79a2b4;
	background-image: url(../image/arrow.gif);
	background-repeat: no-repeat;
	background-position: 230px center;
	line-height: 30px;
	padding-left: 15px;
	font-weight: bold;
}
#left_column_ul a:hover {
	float: left;
	width: 225px;
	display: block;
	font-size: 11px;
	color: #000000;
	text-decoration: underline;
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #79a2b4;
	background-image: url(../image/arrow.gif);
	background-repeat: no-repeat;
	background-position: 225px center;
	line-height: 30px;
	padding-left: 15px;
}
#content_middle_column_index {
	float: left;
	width: 320px;
	position: relative;
}
#content_right_column_index {
	float: right;
	width: 320px;
	position: relative;
}
.tytul_aktualnosci a {
	font-weight: bold;
	float: left;
	color: #000000;
	text-decoration: none;
	margin-bottom: 5px;
	font-size: 14px;
}
.tytul_aktualnosci a:hover {
	float: left;
	text-decoration: underline;
}
.tytul_aktualnosci span {
	font-weight: normal;
	color: #6d6d6d;
	float: right;
}
.wiecej_text  a {
	color: #6d6d6d;
	font-weight: bold;
	text-decoration: none;
	background-image: url(../image/arrow2.gif);
	display: block;
	background-repeat: no-repeat;
	background-position: right center;
	width: 60px;
	float: right;
	position: relative;
}
 
.wiecej_text  a:hover {
	background-image: url(../image/arrow2a.gif);
	color: #000000;
}
.box_aktualnosci {
	width: 670px;
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #d2d2d2;
	position: relative;
	margin-bottom: 20px;
	float: left;
	padding-bottom: 0px;
}
.box_aktualnosci_foto {
	float: left;
	height: 100px;
	width: 100px;
	position: relative;
}
.box_aktualnosci_text {
	float: right;
	width: 550px;
	position: relative;
}
.box_aktualnosc {
	width: 670px;
	position: relative;
	margin-bottom: 20px;
	float: left;
	padding-bottom: 0px;
}
.powrot_text a {
	color: #6d6d6d;
	font-weight: bold;
	text-decoration: none;
	background-image: url(../image/arrow3.gif);
	display: block;
	background-repeat: no-repeat;
	background-position: right center;
	width: 140px;
	float: right;
	position: relative;
	margin-bottom: 40px;
	text-align: right;
	padding-right: 25px;
}
.powrot_text a:hover {
	background-image: url(../image/arrow3a.gif);
	color: #000000;
}
#materialy_do_pobrania {
	padding: 0px;
	list-style-type: none;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 20px;
	margin-left: 0px;
}
#materialy_do_pobrania li {
	display: block;
}
.pdf_ico a {
	color: #000000;
	text-decoration: none;
	font-size: 12px;
	background-image: url(../image/ico_pdf.jpg);
	display: block;
	padding-top: 10px;
	padding-bottom: 10px;
	padding-left: 35px;
	background-repeat: no-repeat;
	margin-bottom: 5px;
	background-position: left center;
}
.pdf_ico a:hover {
	text-decoration: underline;
}
.box_oferta {
	width: 670px;
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #d2d2d2;
	position: relative;
	margin-bottom: 20px;
	float: left;
	padding-bottom: 0px;
}
.box_oferta_logo {
	float: left;
	height: 154px;
	width: 154px;
	position: relative;
	margin-bottom: 20px;
}
.box_oferta_logo img {
	border: 2px solid #666666;
}
 
.box_oferta_text {
	float: right;
	width: 500px;
	position: relative;
}
.strona_www a {
	padding: 0px;
	float: right;
	color: #000000;
	text-decoration: none;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 20px;
	margin-left: 0px;
}
.strona_www a:hover {
	text-decoration: underline;
}
.box_referencja {
	float: left;
	position: relative;
	margin: 17px;
	width: 100px;
}
.podpis_referencji {
	float: left;
	width: 100px;
	font-size: 11px;
	position: relative;
	margin-top: 10px;
	text-align: center;
}
#box_dane_kontaktowe {
	float: left;
	width: 200px;
}
#map {
	width: 668px;
	height: 300px;
	position: relative;
	border: 1px solid #333333;
}
[PHP] pobierz, plaintext 

ok panowie dałem sobie radę można zamknąć zmieniłem

[PHP] pobierz, plaintext 
	margin-right: auto;
	margin-bottom: auto;
	margin-left: auto;
[PHP] pobierz, plaintext 

czyli zrobiłeś praktycznie to samo co sugerowałem, ale inaczej zapisałeś...

jedna uwaga jeszcze, taki kwiatek:


raczej nie jest to poprawna wartość.

jaka powinna byc prawidłowa

Sprawdź sobie!