<div style="width: 300px; margin: 0 auto">
<form id="add_form" method="get" action="cmd">
    <p class="centered" style="width: 300px; margin: 20px">Add Client</p>
    <input type="hidden" name="add"/>//???
    <table style="margin: 20px">
        <tr>
            <td>Name:</td>
            <td>
                <label for="name"></label>
                <input style="margin: 5px" type="text" name="name" id="name"/>
            </td>
        </tr>
        <tr>
            <td>Surname:</td>
            <td>
                <label for="surname"></label>
                <input style="margin: 5px" type="text" name="surname" id="surname"/>
            </td>
        </tr>
        <tr>
            <td>Passport:</td>
            <td>
                <label for="passport"></label>
                <input style="margin: 5px" type="text" name="passport" id="passport"/>
            </td>
        </tr>
        <tr>
            <td>Phone:</td>
            <td>
                <label for="phone"></label>
                <input style="margin: 5px" type="text" name="phone" id="phone"/>
            </td>
        </tr>
        <tr>
            <td>Account:</td>
            <td>
                <label for="account"></label>
                <input style="margin: 5px" type="text" name="account" id="account"/>
            </td>
        </tr>
    </table>
    <p><input style="width: 300px" type="submit"/></p>
</form></div>