次のフォームにすべてのテキストボックスを1行に揃えたい
<form action="AddItems" method="post">
<div class="box">
<span class="label"> Item Name</span>
<span class="ib"> <input type="text" name="item_name" id="item_name"/></span>
</div>
<div class="box">
<span class="label">Item Id </span>
<span class="ib"> <input type="text" name="item_id" id="item_id"/>
</span>
</div>
<div class="box">
<span class="label">Color </span>
<span class="ib"><input type="text" name="item_color" id="item_color"/></span>
</div>
<div class="box">
<span class="label">Size</span>
<span class="ib"> <input type="text" name="item_size" id="item_size"/></span>
</div>
<div class="box">
<span class="label">Supplier </span>
<span class="ib"><input type="text" name="item_supplier" id="item_supplier"/></span>
</div>
<div class="box">
<span class="label">Quantity </span>
<span class="ib"> <input type="text" name="item_quantity" id="item_quantity"/></span>
</div>
<div class="box">
<span class="label">Unit Price </span>
<span class="ib"> <input type="text" name="item_unit_price" id="item_unit_price"/></span>
</div>
<div class="box">
<span class="label">Discount Percentage </span>
<span class="ib"> <input type="text" name="discount_per" id="discount_per"/>
</span></div>
<div class="box">
<input type="button" id="submit_items" value="Submit"/>
</div>
</form>