Bootstrap 4 - Ícone Clearfix Fechar

Descrição

O utilitário Clearfix é usado para limpar o conteúdo flutuado em um contêiner e fechar o ícone para descartar o conteúdo, como alertas ou modais.

Exemplo

Para o utilitário clearfix, use a classe .clearfix para o elemento pai e feche o conteúdo adicionando classe close no elemento.

O exemplo a seguir mostra o uso de clearfix e ícone de fechamento -

<html lang = "en">
   <head>
      <!-- Meta tags -->
      <meta charset = "utf-8">
      <meta name = "viewport" content = "width = device-width, initial-scale = 1, shrink-to-fit = no">
      
      <!-- Bootstrap CSS -->
      <link rel = "stylesheet" 
         href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
      <script src =  "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
      <title>Bootstrap 4 Example</title>
   </head>
   
   <body>
      <div class = "container-fluid">
         <h2>Clearfix</h2>
         <div class = "bg-secondary clearfix">
            <button type = "button" class = "btn btn-success float-left">Left Button</button>
            <button type = "button" class = "btn btn-success float-right">Right Button</button>
         </div>
         <br>
         
         <h2>Close</h2>
         <button type =" button" class = "close" aria-label = "Close">
            <span aria-hidden = "true">×</span>
         </button>
      </div>
      
      <!-- jQuery first, then Popper.js, then Bootstrap JS -->
      <script src = "https://code.jquery.com/jquery-3.2.1.slim.min.js" 
         integrity = "sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" 
         crossorigin = "anonymous">
      </script>
      
      <!-- Popper -->
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" 
         integrity = "sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" 
         crossorigin = "anonymous">
      </script>
      
      <!-- Latest compiled and minified Bootstrap JavaScript -->
      <script src = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" 
         integrity = "sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" 
         crossorigin = "anonymous">
      </script>
      
   </body>
</html>

Isso produzirá o seguinte resultado -

Resultado

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