.container
{
    /* center contents */
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

main .form-control
{
    /* center form controls */
    display: inline-block;

    /* override Bootstrap's 100% width for form controls */
    /*width: auto;*/

    text-align: center;
}

.jumbotron
{
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

#trucktable td, th
{
    text-align: center;
}