<form class="form horizontal" action="login.php" method="POST">
        <div class="form-group">
            <label class="colsm-2 control-label">Username</label>
                <div class="sol-sm-10">
                    <input type="text" name="Username" class="form-control" placeholder="Username">
                </div>
        </div>


        <div class="form-group">
            <label class="cpl-sm-2 control-label">Password</label>
                <div class="col-sm-10">
                    <input type="password" name="password" class="form-control" placeholder="Password">
                </div>
        </div>

        <div class="form-group">
            <label class="cpl-sm-2 control-label"></label>
                <div class="col-sm-6">
                    <button type="submit" class="btn btn-primary">Login</button>
                </div>
        </div>