SOURCE

<h1>justify-content: start;</h1>
<div class="wrapper">
  <div class="one item">One</div>
  <div class="two item">Two</div>
  <div class="three item">Three</div>
  <div class="four item">Four</div>
  <div class="five item">Five</div>
  <div class="six item">Six</div>
  <div class="seven item">Seven</div>
  <div class="eight item">eight</div>
  <div class="nine item">Nine</div>
</div>

<h1>justify-content: end;</h1>
<div class="wrapper-1">
  <div class="one item">One</div>
  <div class="two item">Two</div>
  <div class="three item">Three</div>
  <div class="four item">Four</div>
  <div class="five item">Five</div>
  <div class="six item">Six</div>
  <div class="seven item">Seven</div>
  <div class="eight item">eight</div>
  <div class="nine item">Nine</div>
</div>

<h1>justify-content: center;</h1>
<div class="wrapper-2">
  <div class="one item">One</div>
  <div class="two item">Two</div>
  <div class="three item">Three</div>
  <div class="four item">Four</div>
  <div class="five item">Five</div>
  <div class="six item">Six</div>
  <div class="seven item">Seven</div>
  <div class="eight item">eight</div>
  <div class="nine item">Nine</div>
</div>

<h1>justify-content: space-around;</h1>
<div class="wrapper-3">
  <div class="one item">One</div>
  <div class="two item">Two</div>
  <div class="three item">Three</div>
  <div class="four item">Four</div>
  <div class="five item">Five</div>
  <div class="six item">Six</div>
  <div class="seven item">Seven</div>
  <div class="eight item">eight</div>
  <div class="nine item">Nine</div>
</div>

<h1>justify-content:space-between</h1>

<div class="wrapper-4">
  <div class="one item">One</div>
  <div class="two item">Two</div>
  <div class="three item">Three</div>
  <div class="four item">Four</div>
  <div class="five item">Five</div>
  <div class="six item">Six</div>
  <div class="seven item">Seven</div>
  <div class="eight item">eight</div>
  <div class="nine item">Nine</div>
</div>

<h1>justify-content: space-evenly;</h1>
<div class="wrapper-5">
  <div class="one item">One</div>
  <div class="two item">Two</div>
  <div class="three item">Three</div>
  <div class="four item">Four</div>
  <div class="five item">Five</div>
  <div class="six item">Six</div>
  <div class="seven item">Seven</div>
  <div class="eight item">eight</div>
  <div class="nine item">Nine</div>
</div>


<h1>justify-content: stretch;</h1>
<div class="wrapper-5">
  <div class="one item">One</div>
  <div class="two item">Two</div>
  <div class="three item">Three</div>
  <div class="four item">Four</div>
  <div class="five item">Five</div>
  <div class="six item">Six</div>
  <div class="seven item">Seven</div>
  <div class="eight item">eight</div>
  <div class="nine item">Nine</div>
</div>

.wrapper, .wrapper-1, .wrapper-2, .wrapper-3, .wrapper-4, .wrapper-5, .wrapper-6 {
  display: grid;
  grid-template-columns: 100px 200px 100px;
  grid-gap: 5px;
  grid-auto-rows: 50px;
  justify-content: start;
}
.wrapper-1 {
  justify-content: end;
}
.wrapper-2 {
  justify-content: center;
}
.wrapper-3 {
  justify-content: space-around;
}
.wrapper-4 {
  justify-content: space-between;
}
.wrapper-5 {
  justify-content: space-evenly;
}
.wrapper-6 {
  justify-content: stretch;
}
.one {
  background: #19CAAD;
}
.two { 
  background: #8CC7B5;
}
.three {
  background: #D1BA74;
}
.four {
  background: #BEE7E9;
}
.five {
  background: #E6CEAC;
}
.six {
  background: #ECAD9E;
}
.seven {
  background: #BEEDC7;
}
.eight {
  background: #F4606C;
}
.nine {
  background: #A0EEE1;
}
.item {
  text-align: center;
  font-size: 200%;
  color: #fff;
}