Contenedor de cuadrícula responsive

<div class="grid-container">

  <div>1</div>

  <div>2</div>

  <div>3</div>  

  <div>4</div>

  <div>5</div>

  <div>6</div>

  <div>7</div>

  <div>8</div>

</div>

<style>

.grid-container {display: grid;grid-template-columns: auto auto auto auto;gap: 10px;background-color: #2196F3;padding: 10px;}

.grid-container > div {background-color: rgba(255, 255, 255, 0.8);border: 1px solid black;text-align: center;font-size: 30px;}

</style>