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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="/lib/bootstrap.min.css"> <script src="/lib/jquery-1.12.2.min.js"></script> <script src="/lib/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Input Sizing</h2> <p>The form below shows input elements with different heights using .input-lg and .input-sm:</p> <form role="form"> <div class="form-group"> <label for="inputdefault">Default input</label> <input class="form-control" id="inputdefault" type="text"> </div> <div class="form-group"> <label for="inputlg">input-lg</label> <input class="form-control input-lg" id="inputlg" type="text"> </div> <div class="form-group"> <label for="inputsm">input-sm</label> <input class="form-control input-sm" id="inputsm" type="text"> </div> <div class="form-group"> <label for="sel1">Default select list</label> <select class="form-control" id="sel1"> <option>1</option> <option>2</option> <option>3</option> <option>4</option> </select> </div> <div class="form-group"> <label for="sel2">input-lg</label> <select class="form-control input-lg" id="sel2"> <option>1</option> <option>2</option> <option>3</option> </select> </div> <div class="form-group"> <label for="sel3">input-sm</label> <select class="form-control input-sm" id="sel3"> <option>1</option> <option>2</option> <option>3</option> </select> </div> </form> </div> </body> </html>