<!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: 10px solid red;
    top: 100px;
  