<h1>align-content: stretch;</h1>
<section class="container stretch">
  <div class="item">TestandoPalavra1</div>
  <div class="item">Teste 2 do Item</div>
  <div class="item">Teste 3 do Item Agora Mesmo</div>
  <div class="item">Teste 4</div>
  <div class="item">Teste 5</div>
  <div class="item">Teste 6</div>
  <div class="item">Teste 7</div>
  <div class="item">Teste 8</div>
</section>

<h1>align-content: flex-start;</h1>
<section class="container flex-start">
  <div class="item">TestandoPalavra1</div>
  <div class="item">Teste 2 do Item</div>
  <div class="item">Teste 3 do Item Agora Mesmo</div>
  <div class="item">Teste 4</div>
  <div class="item">Teste 5</div>
  <div class="item">Teste 6</div>
  <div class="item">Teste 7</div>
  <div class="item">Teste 8</div>
</section>

<h1>align-content: flex-end;</h1>
<section class="container flex-end">
  <div class="item">TestandoPalavra1</div>
  <div class="item">Teste 2 do Item</div>
  <div class="item">Teste 3 do Item Agora Mesmo</div>
  <div class="item">Teste 4</div>
  <div class="item">Teste 5</div>
  <div class="item">Teste 6</div>
  <div class="item">Teste 7</div>
  <div class="item">Teste 8</div>
</section>

<h1>align-content: center;</h1>
<section class="container center">
  <div class="item">TestandoPalavra1</div>
  <div class="item">Teste 2 do Item</div>
  <div class="item">Teste 3 do Item Agora Mesmo</div>
  <div class="item">Teste 4</div>
  <div class="item">Teste 5</div>
  <div class="item">Teste 6</div>
  <div class="item">Teste 7</div>
  <div class="item">Teste 8</div>
</section>

<h1>align-content: space-between;</h1>
<section class="container space-between">
  <div class="item">TestandoPalavra1</div>
  <div class="item">Teste 2 do Item</div>
  <div class="item">Teste 3 do Item Agora Mesmo</div>
  <div class="item">Teste 4</div>
  <div class="item">Teste 5</div>
  <div class="item">Teste 6</div>
  <div class="item">Teste 7</div>
  <div class="item">Teste 8</div>
</section>

<h1>align-content: space-around;</h1>
<section class="container space-around">
  <div class="item">TestandoPalavra1</div>
  <div class="item">Teste 2 do Item</div>
  <div class="item">Teste 3 do Item Agora Mesmo</div>
  <div class="item">Teste 4</div>
  <div class="item">Teste 5</div>
  <div class="item">Teste 6</div>
  <div class="item">Teste 7</div>
  <div class="item">Teste 8</div>
</section>
.stretch {
  align-content: stretch;
}

.flex-start {
  align-content: flex-start;
}

.flex-end {
  align-content: flex-end;
}

.center {
  align-content: center;
}

.space-between {
  align-content: space-between;
}

.space-around {
  align-content: space-around;
}

/* Flex Container */
.container {
  max-width: 420px;
  height: 300px;
  margin: 0 auto;
  display: flex;
  border: 1px solid #ccc;
  flex-wrap: wrap;
}
/* Flex Item */
.item {
  flex: 1;
  margin: 5px;
  padding: 0 10px;
  background: tomato;
  text-align: center;
  font-size: 1.5em;
}

h1 {
  text-align: center;
  margin: 20px 0 0 0;
  font-size: 1.25em;
  font-weight: normal;
}

body {
  font-family: monospace;
  color: #333;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.