miren...
IEXPLORER
.page-container-1 {
BORDER-BOTTOM: rgb(100,100,100) 1px solid;
BORDER-LEFT: rgb(100,100,100) 1px solid;
PADDING-BOTTOM: 0px;
BACKGROUND-COLOR: #ffffff;
MARGIN: 0px auto 2px auto;
PADDING-LEFT: 0px;
WIDTH: 850px;
PADDING-RIGHT: 0px;
BACKGROUND-REPEAT: no-repeat;
BACKGROUND-POSITION: left top;
BORDER-TOP: rgb(100,100,100) 1px solid;
BORDER-RIGHT: rgb(100,100,100) 1px solid;
PADDING-TOP: 0px
}
FIREFOX
.page-container-1 {
width: 850px;
padding: 0;
border: solid 1px rgb(100,100,100);
background-repeat: no-repeat;
background-position: left top;
background-color: #FFFFFF;
margin:2 auto 2px auto;
}
LO SIENTO no me explique bien, el que no se sentra es el <div class="page-container-1 ">