.maindiv {
    margin-left:auto;
    margin-right:auto;
    width:1000px;
    height:666px;
    background-image: url('../images/main_default.jpg');
    background-repeat: no-repeat;
    text-align: left;
    margin-top: auto;
    margin-bottom: auto;
}
.smallerror {
    text-align: left;
    font-size: 11px;
    min-height: 13px;
    color: #ff0000;
    width: 100%;
}