#contact_form {
    width: 900px;
    margin: 3em auto;
}

.mes-processus_form {
    --mes-processus_form_label_width: 15%
}

.mes-processus_form label {
    float: left;
    line-height: 3em;
    width: calc(var(--mes-processus_form_label_width) - 1em);
    padding-right: 1em;
    text-align: right;
}

.mes-processus_form input, .mes-processus_form input:hover, .mes-processus_form select, .mes-processus_form textarea {
    display: block;
    clear: right;
    margin: 1.5em 0 1.5em var(--mes-processus_form_label_width);
    width: calc(100% - var(--mes-processus_form_label_width) - 2em);
    min-width: calc(100% - var(--mes-processus_form_label_width) - 2em);
    max-width: calc(100% - var(--mes-processus_form_label_width) - 2em);
    padding: 1em;

    border: none;
    background-color: var(--color_theme_2);
    box-shadow: inset 1px 1px 2px gray;
    border-radius: var(--border_radius);
    background-color: white;
    text-align: left;
    font-weight: normal;

    -ms-box-sizing: content-box;
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
}

.mes-processus_form textarea {
    height: 10em;
}

.mes-processus_form input[type="submit"] {
    cursor: pointer;
    background-color: var(--color_theme_2);
    box-shadow: 1px 1px 1px black;
    color: var(--color_font_theme_2);
    text-align: center;
}