JSFiddle - React, Tailwind, and code Playground

HTML

<ul>

  <li>1</li>
  <li>2</li>
  <li>3</li>
  <li>4</li>
  <li>5</li>
  <li>6</li>
  <li>7</li>
  <li>8</li>
  <li>9</li>
  <li>10</li>
  <li>11</li>
  <li>12</li>
  <li>13</li>
  <li>14</li>
  <li>15</li>
  <li>16</li>
  <li>17</li>
  <li>18</li>
  <li>19</li>
  <li>20</li>
  <li>21</li>
  <li>22</li>
  <li>23</li>
  <li>24</li>
  <li>25</li>
  <li>26</li>
  <li>27</li>
  <li>28</li>

</ul>

CSS

* {
  box-sizing: inherit;
}

html {
  box-sizing: border-box;
}
body {
  margin: 0;
}

ul {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  max-height: 270px;
  margin: 20px;
  padding: 0;
  list-style-type: none;
}
li {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  margin-bottom: 10px;
  border: 1px solid gray;
  border-radius: 50%;
}
li:nth-child(8n+1) {
  margin-top: 20px;
}