preview works IE7 not Mozilla / Opera 2

@charset "utf-8";
body {
    margin: 0; /* it's good practice to zero the margin and padding of the body element to account for differing browser defaults */
    padding: 0;
    text-align: center; /* this centers the container in IE 5* browsers. The text is then set to the left aligned default in the #container selector */
    color: #CCCCCC;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 100%;
}
.oneColLiqCtrHdr #container {
    width: 80%;  /* this will create a container 80% of the browser width */
    background: #FFFFFF;
    margin: 0 auto; /* the auto margins (in conjunction with a width) center the page */
    border: 1px solid #000000;
    text-align: left; /* this overrides the text-align: center on the body element. */
}
.oneColLiqCtrHdr #header {
    padding: 0 10px 1px 20px;  /* this padding matches the left alignment of the elements in the divs that appear beneath it. If an image is used in the #header instead of text, you may want to remove the padding. */
    color: #CCCCCC;
    background-color: #3C3C3C;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 10px;
}
.oneColLiqCtrHdr #nav {
    padding: 0 10px 1px 20px;  /* this padding matches the left alignment of the elements in the divs that appear beneath it. If an image is used in the #header instead of text, you may want to remove the padding. */
    color: #CCCCCC;
    background-color: #515151;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 10px;
}
.oneColLiqCtrHdr #pic {
    padding: 83px 10px 1px 20px;  /* this padding matches the left alignment of the elements in the divs that appear beneath it. If an image is used in the #header instead of text, you may want to remove the padding. */
    color: #CCCCCC;
    background-color: #515151;
    background-image: url(header.jpg);
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 10px;
}
.oneColLiqCtrHdr #header h1 {
    margin: 0; /* zeroing the margin of the last element in the #header div will avoid margin collapse - an unexplainable space between divs. If the div has a border around it, this is not necessary as that also avoids the margin collapse */
    padding: 10px 0; /* using padding instead of margin will allow you to keep the element away from the edges of the div */
}
.oneColLiqCtrHdr #mainContent {
    padding: 0 20px; /* remember that padding is the space inside the div box and margin is the space outside the div box */
    background: #FFFFFF;
}
.oneColLiqCtrHdr #footer { 
    padding: 0 10px; /* this padding matches the left alignment of the elements in the divs that appear above it. */
    background:#DDDDDD;
} 
.oneColLiqCtrHdr #footer p {
    margin: 0; /* zeroing the margins of the first element in the footer will avoid the possibility of margin collapse - a space between divs */
    padding: 10px 0; /* padding on this element will create space, just as the the margin would have, without the margin collapse issue */
}