Alinear cajas de texto

[dragonfire256]

Aqui parte del codigo:

Código HTML:

<form id="form1" name="form1" method="post" action="" onSubmit="return comprobarClave(this)">
      <p>&nbsp;</p>
      <p>
        <label for="usuarioE" style="margin-left:30%;">Usuario</label>
        <input type="text" name="usuarioE" id="usuarioE" style="margin-left:1%; width:150px; margin-bottom:30px;"/>
      </p>
      <p>
        <label for="password" style="margin-left:30%;">Contrase&ntilde;a</label>
        <input type="password" name="password" id="password" style="margin-left:1%; width:150px; margin-bottom:30px;"/>
      </p>
      <p>
        <label for="password2" style="margin-left:30%;">Repetir Contrase&ntilde;a</label>
        <input type="password" name="password2" id="password2" style="margin-left:1%; width:150px; margin-bottom:30px;"/>
      </p>
      <p>
        <input type="submit" name="Establecer_Password" id="Enviar" value="Enviar" style="margin-left:35%; margin-top:30px;"/>
        <input type="reset" name="Cancelar" id="Cancelar" value="Cancelar" style="margin-left:10%;margin-top:30px;"/>
      </p>
    </form>