<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Flexbox</title>
  </head>
<body>
   <div class="container">
    <div class="item" id="one">1</div>
    <div class="item" id="two">2</div>
    <div class="item" id="flex">3</div>
   </div>
  <br>
  <div class="container2">
    <div class="item" id="one">1</div>
    <div class="item" id="two">2</div>
    <div class="item" id="flex">3</div>
   </div>
  
  
  <br>
  <div class="container3">
    <div class="item" id="one">1</div>
    <div class="item" id="two">2</div>
    <div class="item" id="flex">3</div>
   </div>
  
  <br>
  <div class="container4">
    <div class="item" id="one">1</div>
    <div class="item" id="two">2</div>
    <div class="item" id="flex">3</div>
   </div>
  
  <br>
  <div class="container5">
    <div class="item" id="one">1</div>
    <div class="item" id="two">2</div>
    <div class="item" id="flex">3</div>
   </div>
  
  <br>
  <div class="container6">
    <div class="item" id="one">1</div>
    <div class="item" id="two">2</div>
    <div class="item" id="flex">3</div>
   </div>
</body>
</html>
.container{
            display: flex;
            height: 70px;
            border: 1px solid #808080;
            justify-content:flex-start;
           }



.container2{
            display: flex;
            height: 70px;
            border: 1px solid #808080;
            justify-content:center;
             
        }

.container3{
            display: flex;
            height: 70px;
            border: 1px solid #808080;
            justify-content:flex-end
             
        }

.container4{
            display: flex;
            height: 70px;
            border: 1px solid #808080;
            justify-content:space-around
             
        }

.container5{
            display: flex;
            height: 70px;
            border: 1px solid #808080;
            justify-content:space-between;
             
        }

.container6{
            display: flex;
            height: 70px;
            border: 1px solid #808080;
            justify-content:space-evenly;
             
        }




        .item {
            border: 1px solid #1d1d1d;
            background-color: #23C4ED;
             width: 50px;
             height: 50px;
             margin: 7px;
            }

External CSS

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External JavaScript

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