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  <title>Παραδειγμα Bootstrap</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
 <div class="container">
  <h2>Στυλ κουμπιών</h2>
  <button type="button" class="btn btn-default">Αυτόματο</button>
  <button type="button" class="btn btn-primary">Αρχικό</button>
  <button type="button" class="btn btn-success">Επιτυχά</button>
  <button type="button" class="btn btn-info">Πληροφορία</button>
  <button type="button" class="btn btn-warning">Ειδοποίηση</button>
  <button type="button" class="btn btn-danger">Κίνδυνος</button>
  <button type="button" class="btn btn-link">Link</button>      
 <div class="container">
  <h2>Μεγέθη κουμπιων</h2>
  <button type="button" class="btn btn-primary btn-lg">Συνολικό πλάτος</button>
  <button type="button" class="btn btn-primary btn-lg">Μεγάλο</button>
  <button type="button" class="btn btn-primary btn-md">Μεσαίο</button>    
  <button type="button" class="btn btn-primary btn-sm">Μικρό</button>
  <button type="button" class="btn btn-primary btn-xs">Πολύ μικρό</button>
 <div class="container">
  <h2>Ένα μπλοκ κουμπί εκτείνεται σε όλο το πλάτος.</h2>
  <button type="button" class="btn btn-primary btn-block">Συνολικό πλάτος</button>
 <div class="container">
  <h2>Ενεργά/Απενεργοποιημένα κουμπιά.</h2>
  <button type="button" class="btn btn-primary active">Ενεργό</button>
  <button type="button" class="btn btn-primary disabled">Απενεργοποιημένο</button>
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