| 12
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 
 | <!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-gaps-1/#lists-repeat">
<link rel="author" title="Sam Davis Omekara Jr." href="mailto:samomekarajr@microsoft.com">
<style>
  body {
    margin: 0px;
  }
  .grid-container {
    display: grid;
    grid-gap: 10px;
    grid-template-columns: repeat(6, 100px);
    height: 650px;
    width: 650px;
  }
  .row-gap {
    height: 0px;
    width: 650px;
    position: absolute;
  }
  .row-gap1 {
    border-bottom: 8px solid red;
    top: 101px;
  }
  .row-gap2 {
    border-bottom: 5px solid red;
    top: 212.5px;
  }
  .row-gap3 {
    border-bottom: 2px solid red;
    top: 324px;
  }
  .row-gap4 {
    border-bottom: 8px solid red;
    top: 431px;
  }
  .row-gap5 {
    border-bottom: 5px solid red;
    top: 542.5px;
  }
  .col-gap {
    width: 0px;
    height: 650px;
    position: absolute;
    top: 0px;
  }
  .col-gap1 {
    border-left: 2px solid blue;
    left: 104px;
  }
  .col-gap2 {
    border-left: 5px solid blue;
    left: 212.5px;
  }
  .col-gap3 {
    border-left: 8px solid blue;
    left: 321px;
  }
  .col-gap4 {
    border-left: 2px solid blue;
    left: 434px;
  }
  .col-gap5 {
    border-left: 5px solid blue;
    left: 542.5px;
  }
  .item {
    background: gray;
    opacity: 0.5;
  }
</style>
<div class="grid-container">
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>
<div class="col-gap col-gap1"> </div>
<div class="col-gap col-gap2"> </div>
<div class="col-gap col-gap3"> </div>
<div class="col-gap col-gap4"> </div>
<div class="col-gap col-gap5"> </div>
<div class="row-gap row-gap1"> </div>
<div class="row-gap row-gap2"> </div>
<div class="row-gap row-gap3"> </div>
<div class="row-gap row-gap4"> </div>
<div class="row-gap row-gap5"> </div>
 |