.box.centered{
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
    float: none;
    padding: 20px 40px;
    width: 50vw !important;
    transition: width 0.5s ease;
}

#main_form > * label{
    font-size: 16px !important;
}

#main_form > * select, #main_form > * input{
    font-size: 16px !important;
}