general_settings.php

<div class="row">
    <div class="col-md-6">
        <div class="panel panel-default">
            <div class="panel-heading"><?php echo __('Users') ?></div>
            <div class="panel-body"><?php include './general_settings_user.php'; ?></div>
        </div>
    </div>
    <div class="col-md-6">
        <div class="panel panel-default">
            <div class="panel-heading"><?php echo __('Upload') ?></div>
            <div class="panel-body"><?php include './general_settings_upload.php'; ?></div>
        </div>
    </div>

    <div class="col-md-6">
        <div class="panel panel-default">
            <div class="panel-heading"><?php echo __('Encoder') ?></div>
            <div class="panel-body"><?php include './general_settings_encoder.php'; ?></div>
        </div>
    </div>
    <div class="col-md-6">
        <div class="panel panel-default">
            <div class="panel-heading"><?php echo __('Sign In/Up') ?></div>
            <div class="panel-body"><?php include './general_settings_user.php'; ?></div>
        </div>
    </div>
</div>