<div class="grid grid-cols-8 grid-rows-6">
<a href="#">1</a>
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<a href="#">2</a>
<div>8</div>
<div>9</div>
<div>10</div>
<div>11</div>
<div>12</div>
<div>13</div>
<div>14</div>
<a href="#">3</a>
<div>15</div>
<div>16</div>
<div>17</div>
<div>18</div>
<div>19</div>
<div>20</div>
<div>21</div>
</div>
.grid {
display: grid;
grid-template-columns: repeat(8, 1fr);
grid-template-rows: repeat(6, 1fr);
}
.grid div {
background: #eee;
}
.grid a:hover ~ div {
background: #444;
}
.grid a:hover ~ a ~ div {
background: #eee;
}
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