My issue
Did you add header columns each with class=“Sales-table” and with data “Festival”
My code
// your code goes here
<body>
<header>
<div class="NavBar">
<a href="" id="navbar-title">
FASHION STORE
</a>
</div>
</header>
<main>
<div class="Items">
<table id="item-table">
<tbody>
<tr>
<td>
<img src="https://cdn.codechef.com/download/Contest+images/ROTEST/tshirt.jpeg" alt="T-Shirts" class="Item-img">
</td>
<td>
<img src="https://cdn.codechef.com/download/Contest+images/ROTEST/sunglasses.jpeg" alt="Sun Glasses" class="Item-img">
</td>
<td>
<img src="https://cdn.codechef.com/download/Contest+images/ROTEST/shirts.jpeg" alt="Shirts" class="Item-img">
</td>
<td>
<img src="https://cdn.codechef.com/download/Contest+images/ROTEST/shoes.jpeg" alt="Shoes" class="Item-img">
</td>
<td>
<img src="https://cdn.codechef.com/download/Contest+images/ROTEST/pants.jpeg" alt="Pants" class="Item-img">
</td>
<td>
<img src="https://cdn.codechef.com/download/Contest+images/ROTEST/perfume.jpeg" alt="Perfumes" class="Item-img">
</td>
</tr>
<tr>
<td>
<a href="" class="Item-tag">T-Shirts</a>
</td>
<td>
<a href="" class="Item-tag">Sun<br>Glasses</a>
</td>
<td>
<a href="" class="Item-tag">Shirts</a>
</td>
<td>
<a href="" class="Item-tag">Shoes</a>
</td>
<td>
<a href="" class="Item-tag">Pants</a>
</td>
<td>
<a href="" class="Item-tag">Perfumes</a>
</td>
</tr>
</tbody>
</table>
</div>
<div class="Shopping-container">
<a href="">
<img src="https://cdn.codechef.com/download/Contest+images/ROTEST/shopingtime.jpeg" alt="shopping time" id="shopping-time-img">
</a>
<br>
<br>
<br>
<!-- Update the code below this comment -->
<h2>OUR UPCOMING SALES</h2><br>
<table class="Sales-table">
<thead class="Sales-table-head">
<tr>
<td class="Slaes-table">Festival</td>
<td class="Slaes-table">Discount</td>
<td class="Slaes-table">Starting date</td>
<td class="Slaes-table">Ending date</td>
</tr>
<tr>
<td class="Slaes-table">Chirtmas</td>
<td class="Slaes-table"><s>355</s> 50%</td>
<td class="Slaes-table">20 December</td>
<td class="Slaes-table">26 December</td>
</tr>
<tr>
<td class="Slaes-table">New Year</td>
<td class="Slaes-table"><s>60%</s> 75%</td>
<td class="Slaes-table">30 December</td>
<td class="Slaes-table">6 January</td>
</tr>
</thead>
</table>
</div>
</main>
</body>
Learning course: Projects using HTML / CSS
Problem Link: Add table for sale Practice Problem in Projects using HTML / CSS