Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

Bootstrap Input Sizing


Input Sizing in Forms

Set the heights of input elements using classes like .input-lg and .input-sm.

Set the widths of elements using grid column classes like .col-lg-*and .col-sm-*.


Height Sizing

The following examples shows input elements with different heights:

Example

<form>
  <div class="form-group">
    <label for="inputsm">Small input</label>
    <input class="form-control input-sm" id="inputsm" type="text">
  </div>
   <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">Large input</label>
    <input class="form-control input-lg" id="inputlg" type="text">
  </div>
</form>
Try it Yourself »

You can quickly size labels and form controls within a Horizontal form by adding .form-group-* to the <div class="form-group"> element:

Example

<div class="form-group form-group-lg">
Try it Yourself »

You can also quickly size all inputs and other elements inside an .input-group with the .input-group-sm or .input-group-lg classes:

Example

<div class="input-group input-group-lg">
Try it Yourself »


Column Sizing

The following examples shows input elements with different widths using different .col-xs-* classes:

Example

<div class="form-group row">
  <div class="col-xs-2">
    <label for="ex1">col-xs-2</label>
    <input class="form-control" id="ex1" type="text">
  </div>
  <div class="col-xs-3">
    <label for="ex2">col-xs-3</label>
    <input class="form-control" id="ex2" type="text">
  </div>
  <div class="col-xs-4">
    <label for="ex3">col-xs-4</label>
    <input class="form-control" id="ex3" type="text">
  </div>
</div>
Try it Yourself »

Help Text

Use the .help-block class to add a block level help text in forms:

Example

<div class="form-group">
  <label for="pwd">Password:</label>
  <input type="password" class="form-control" id="pwd" placeholder="Enter password">
  <span class="help-block">This is some help text...</span>
</div>
Try it Yourself »

×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
sales@w3schools.com

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
help@w3schools.com

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2024 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.