<div class="tab-pane" id="kotak">
    <div class="box-body">
        <div class="form-group">
            <label class="col-sm-3">Jarak antar kotak</label>
            <div class="col-sm-9">
                <input class="form-control input-sm required" type="number" name="lampiran_kotak[jarak]" value="{{ $kotak['jarak'] }}">
            </div>
        </div>
    </div>
    <div class="box-body">
        <div class="form-group">
            <label class="col-sm-3">Lebar kotak</label>
            <div class="col-sm-9">
                <input class="form-control input-sm required" type="number" name="lampiran_kotak[lebar]" value="{{ $kotak['lebar'] }}">
            </div>
        </div>
    </div>
</div>
