.box {width: 500px !important;margin: 0 auto;}
.box-header {
    width: 500px !important;
    margin: 0 auto;
    text-align:center;
}

.box-title {
    font-size: 28px !important;
}

.form-table {
    width: 500px !important;
    margin: 0 auto;
}

.form-actions {
    width: 500px !important;
    margin: 0 auto;
}