Gallery images with bootstrap4 Flexbox

<!DOCTYPE html>
<html>
<head>
  <title>Gallery images with bootstrap4 Flexbox | par NGLESSON</title>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <meta name="author" content="Mezgani said">
  <meta name="copyright" content="NGLESSON">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
  <link rel="stylesheet" href="style.css">
</head>
<body>
  <div class="container-fluid">
    <div class="d-flex flex-row flex-wrap justify-content-center">
        <div class="d-flex flex-column">
            <img src="https://images.unsplash.com/photo-1485963631004-f2f00b1d6606?auto=format&fit=crop&w=668&q=80" class="img-fluid">            
            <img src="https://images.unsplash.com/photo-1502865787650-3f8318917153?auto=format&fit=crop&w=334&q=80" class="img-fluid">
        </div>
        <div class="d-flex flex-column">
            <img src="https://images.unsplash.com/photo-1500816558239-6b91f4256ead?auto=format&fit=crop&w=331&q=80" class="img-fluid">
            <img src="https://images.unsplash.com/photo-1487376318617-f43c7b41e2e2?auto=format&fit=crop&w=750&q=80" class="img-fluid scale">
        </div>
        <div class="d-flex flex-column">
            <img src="https://images.unsplash.com/photo-1497888329096-51c27beff665?auto=format&fit=crop&w=751&q=80" class="img-fluid scale mb-2">
            <img src="https://images.unsplash.com/photo-1505253468034-514d2507d914?auto=format&fit=crop&w=334&q=80"  class="img-fluid">
        </div>
        <div class="d-flex flex-column">
            <img src="https://images.unsplash.com/photo-1502550900787-e956c314a221?auto=format&fit=crop&w=334&q=80" class="img-fluid m-1 p-1">
              <img src="https://images.unsplash.com/photo-1455853659719-4b521eebc76d?auto=format&fit=crop&w=750&q=80" class="img-fluid image m-1 p-1">
        </div>
    </div>
  </div>
</body>
</html>
.container {
  background: #f9f9f9;
}

.flex-column {
  max-width: 260px;
}

img {
  margin: 5px;
}

.scale {
  transform: scaleY(1.05);
  padding-top: 5px; 
}

                                    
toggle switch style02

toggle switch style02

texte animate effects style 01

texte animate effects style 01

login page green one

login page green one

Titre section avec une bande style01

Titre section avec une bande style01

Timeline style01

Timeline style01

Radio Input Image Checkbox 01

Radio Input Image Checkbox 01

Header Aside Footer Admin

Header Aside Footer Admin

Double Scrollbar with Plugin Jquery in table

Double Scrollbar with Plugin Jquery in table

Chercher un mot sur la liste

Chercher un mot sur la liste

Card Bootstrap4 E commerce 01

Card Bootstrap4 E commerce 01

Bloc resizable with jquery

Bloc resizable with jquery

Affichage des images aléatoire avec js

Affichage des images aléatoire avec js