JSFiddle - React, Tailwind, and code Playground

by Keith Jeter

HTML

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css">
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js"></script>
<div class="tournament-container">
  <div class="tournament-headers">
    <h3>Round of 16</h3>
    <h3>Quarter-Finals</h3>
    <h3>Semi-Finals</h3>
    <h3>Final</h3>
    <h3>Winner</h3>
  </div>

  <div class="tournament-brackets">
    <ul class="bracket bracket-1">
      <li class="team-item">Grandle <time>vs</time> Robe Knight</li>
      <li class="team-item">D1 <time>vs</time> 3BEF</li>
      <li class="team-item">B1 <time>vs</time> 3ACD</li>
      <li class="team-item">F1 <time>vs</time> E2</li>
      <li class="team-item">C1 <time>vs</time> 3ABF</li>
      <li class="team-item">E1 <time>vs</time> D2</li>
      <li class="team-item">A1 <time>vs</time> 3CDE</li>
      <li class="team-item">B2 <time>vs</time> F2</li>
    </ul>  
    <ul class="bracket bracket-2">
      <li class="team-item">QF1 <time>vs</time> QF2</li>
      <li class="team-item">QF3 <time>vs</time> QF4</li>
      <li class="team-item">QF5 <time>vs</time> QF6</li>
      <li class="team-item">QF7 <time>vs</time> QF8</li>
    </ul>  
    <ul class="bracket bracket-3">
      <li class="team-item">SF1 <time>vs</time> SF2</li>
      <li class="team-item">SF3 <time>vs</time> SF4</li>
    </ul>  
    <ul class="bracket bracket-4">
      <li class="team-item">F1 <time>vs</time> F2</li>
    </ul>  

    <ul class="bracket bracket-5">
      <li class="team-item">European Champions</li>
    </ul>  
  </div>
</div>

CSS

html {
  height: 100%;
  width: 100%;
}

body {
  font-family: sans-serif;
  margin: 0;
  height: 100%;
}

.tournament-container {}

.tournament-headers {
  flex-grow: 1;
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  border-bottom: 1px solid #ccc;
  
  h3 {
    width: 25%;
    text-align:center;
    font-weight: 400;
    border-right: 1px dashed #ccc;
    margin: 0;
    padding:1rem;
  }
}

.tournament-brackets {
  display: flex;
  flex-direction: row; 
  list-style-type: none;
  background: #fdfdfd;
  margin-bottom: 50px;
}

.bracket {
  padding-left: 0;
  display: flex;
  margin: 0;
  padding: 30px 0;
  flex-grow: 1;
  flex-direction: column;
  justify-content: space-around;
  list-style-type: none;
  border-right: 1px dashed #ccc;
  flex: 1;
}

.team-item {
  background-color: #f4f4f4;
  padding: .5rem;
  display: block;
  margin: .5rem 10px;
  position: relative;
  vertical-align: middle;
  line-height: 2;
  text-align: center;
}

.team-item:after {
  content:'';
  border-color: #4f7a38;
  border-width: 2px;
  position: absolute;
  display: block;
  width: 10px;
  right: -11px;
}

.team-item:nth-of-type(odd):after {
  border-right-style: solid;
  border-top-style: solid;
  height: 100%;
  top: 50%;
}

.team-item:nth-of-type(even):after {
  border-right-style: solid;
  border-bottom-style: solid;
  height: 100%;
  top: -50%;
}

.team-item:before {
  content:'';
  border-top: 2px solid #4f7a38;
  position: absolute;
  height: 2px;
  width: 10px;
  left: -10px;
  top: 50%;
}

.bracket-2 {
  .team-item:nth-of-type(odd):after {
    height: 200%;
    top: 50%;
  }
  .team-item:nth-of-type(even):after {
    height: 200%;
    top: -150%;
  }
}

.bracket-3 {
  .team-item:nth-of-type(odd):after {
    height: 350%;
    top: 50%;
  }
  .team-item:nth-of-type(even):after {
    height: 350%;
    top: -300%;
  }
}

.bracket-4 {
  .team-item:nth-of-type(odd):after {
    height: 700%;
    top: 50%;
  }
  .team-item:nth-of-type(even):after {
   ...