Align left fields in bootstrap.
As I can do to Align to the left fields in bootstrap I attached an image and the source code of the page that I am designing. the fields did not stick as close to the labels as possible.
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Búsqueda de Servicios</title>
<link rel="stylesheet" href="../css/3.3.2.bootstrap.min.css" />
<meta name="viewport" content="width=device-width, user-scalable=no,initial-scale=1.0,maximun-scale=1.0,minimun-scale=1.0" />
</head>
<body>
<form id="form1" runat="server" class="container">
<div class="row">
<div class="col-md-6">
<div class="form-group">
<asp:Label ID="Fecha" runat="server" CssClass="control-label col-md-4" Text="Fecha del:"></asp:Label>
<div class="input-group">
<div class="input-group-addon">
<i class="fa fa-calendar"></i>
</div>
<asp:TextBox class="form-control" ID="date" name="date" runat="server" required=" "></asp:TextBox>
</div>
</div>
<div class="form-group">
<asp:Label ID="Apellido" runat="server" CssClass="control-label col-md-4" Text="Seguro:"></asp:Label>
<div class="col-md-6">
<asp:DropDownList ID="ddlSeguro" runat="server" class="form-control selectpicker validate[required]" data-show-subtext="true" data-live-search="true">
</asp:DropDownList>
</div>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<asp:Label ID="Label1" runat="server" CssClass="control-label col-md-4" Text="Fecha al:"></asp:Label>
<div class="input-group">
<div class="input-group-addon">
<i class="fa fa-calendar"></i>
</div>
<asp:TextBox class="form-control" ID="TextBox1" name="date" runat="server" required=" "></asp:TextBox>
</div>
</div>
<div class="form-group">
<asp:Label ID="Label2" runat="server" CssClass="control-label col-md-4" Text="Marca:"></asp:Label>
<div class="col-md-6">
<asp:DropDownList ID="ddlMarca" runat="server" CssClass="form-control selectpicker validate[required]" data-show-subtext="true" data-live-search="true" style="width: 300px">
</asp:DropDownList>
</div>
</div>
</div>
</div>
</form>
</body>
</html>