@media screen and (min-width: 576px) {
grid-template-rows: repeat(6, 1fr);
grid-template-columns: repeat(12, 1fr);
<div class="box">10</div>
<div class="box">11</div>
<div class="box">12</div>
<div class="box">13</div>
<div class="box">14</div>
<div class="box">15</div>
<div class="box">16</div>
<div class="box">17</div>
<div class="box">18</div>
<div class="box">19</div>
<div class="box">20</div>
<div class="box">21</div>
<div class="box">22</div>