Easily extend form controls by adding text, buttons, or button groups on either side of textual inputs, custom selects, and custom file inputs.
Place one add-on or button on either side of an input. You may also place one on both sides of an input. We do not support multiple form-controls in a single input group and <label>s must come outside the input group.
<label>
<div class="input-group mb-3"> <div class="input-group-prepend"> <span class="input-group-text" id="basic-addon1">@</span> </div> <input class="form-control" placeholder="Username" aria-label="Username" aria-describedby="basic-addon1" type="text"> </div> <div class="input-group mb-3"> <input class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2" type="text"> <div class="input-group-append"> <span class="input-group-text" id="basic-addon2">@example.com</span> </div> </div> <label for="basic-url">Your vanity URL</label> <div class="input-group mb-3"> <div class="input-group-prepend"> <span class="input-group-text" id="basic-addon3">https://example.com/users/</span> </div> <input class="form-control" id="basic-url" aria-describedby="basic-addon3" type="text"> </div> <div class="input-group mb-3"> <div class="input-group-prepend"> <span class="input-group-text">$</span> </div> <input class="form-control" aria-label="Amount (to the nearest dollar)" type="text"> <div class="input-group-append"> <span class="input-group-text">.00</span> </div> </div>
Add the relative form sizing classes to the .input-group itself and contents within will automatically resize—no need for repeating the form control size classes on each element.
.input-group
Sizing on the individual input group elements isn’t supported.
<div class="input-group input-group-sm mb-3"> <div class="input-group-prepend"> <span class="input-group-text" id="inputGroup-sizing-sm">Small</span> </div> <input class="form-control" aria-label="Small" aria-describedby="inputGroup-sizing-sm" type="text"> </div> <div class="input-group mb-3"> <div class="input-group-prepend"> <span class="input-group-text" id="inputGroup-sizing-default">Default</span> </div> <input class="form-control" aria-label="Default" aria-describedby="inputGroup-sizing-default" type="text"> </div> <div class="input-group input-group-lg"> <div class="input-group-prepend"> <span class="input-group-text" id="inputGroup-sizing-lg">Large</span> </div> <input class="form-control" aria-label="Large" aria-describedby="inputGroup-sizing-sm" type="text"> </div>
Place any checkbox or radio option within an input group’s addon instead of text.
<div class="input-group mb-3"> <div class="input-group-prepend"> <div class="input-group-text"> <input aria-label="Checkbox for following text input" type="checkbox"> </div> </div> <input class="form-control" aria-label="Text input with checkbox" type="text"> </div> <div class="input-group"> <div class="input-group-prepend"> <div class="input-group-text"> <input aria-label="Radio button for following text input" type="radio"> </div> </div> <input class="form-control" aria-label="Text input with radio button" type="text"> </div>
While multiple <input>s are supported visually, validation styles are only available for input groups with a single <input>.
<input>
<div class="input-group"> <div class="input-group-prepend"> <span class="input-group-text">First and last name</span> </div> <input class="form-control" type="text"> <input class="form-control" type="text"> </div>
Multiple add-ons are supported and can be mixed with checkbox and radio input versions.
<div class="input-group mb-3"> <div class="input-group-prepend"> <span class="input-group-text">$</span> <span class="input-group-text">0.00</span> </div> <input class="form-control" aria-label="Amount (to the nearest dollar)" type="text"> </div> <div class="input-group"> <input class="form-control" aria-label="Amount (to the nearest dollar)" type="text"> <div class="input-group-append"> <span class="input-group-text">$</span> <span class="input-group-text">0.00</span> </div> </div>
<div class="input-group mb-3"> <div class="input-group-prepend"> <button class="btn btn-outline-secondary" type="button">Button</button> </div> <input class="form-control" placeholder="" aria-label="" aria-describedby="basic-addon1" type="text"> </div> <div class="input-group mb-3"> <input class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2" type="text"> <div class="input-group-append"> <button class="btn btn-outline-secondary" type="button">Button</button> </div> </div> <div class="input-group mb-3"> <div class="input-group-prepend"> <button class="btn btn-outline-secondary" type="button">Button</button> <button class="btn btn-outline-secondary" type="button">Button</button> </div> <input class="form-control" placeholder="" aria-label="" aria-describedby="basic-addon1" type="text"> </div> <div class="input-group"> <input class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2" type="text"> <div class="input-group-append"> <button class="btn btn-outline-secondary" type="button">Button</button> <button class="btn btn-outline-secondary" type="button">Button</button> </div> </div>
<div class="input-group mb-3"> <div class="input-group-prepend"> <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</button> <div class="dropdown-menu"> <a class="dropdown-item" href="#">Action</a> <a class="dropdown-item" href="#">Another action</a> <a class="dropdown-item" href="#">Something else here</a> <div role="separator" class="dropdown-divider"></div> <a class="dropdown-item" href="#">Separated link</a> </div> </div> <input class="form-control" aria-label="Text input with dropdown button" type="text"> </div> <div class="input-group"> <input class="form-control" aria-label="Text input with dropdown button" type="text"> <div class="input-group-append"> <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</button> <div class="dropdown-menu"> <a class="dropdown-item" href="#">Action</a> <a class="dropdown-item" href="#">Another action</a> <a class="dropdown-item" href="#">Something else here</a> <div role="separator" class="dropdown-divider"></div> <a class="dropdown-item" href="#">Separated link</a> </div> </div> </div>
<div class="input-group mb-3"> <div class="input-group-prepend"> <button type="button" class="btn btn-outline-secondary">Action</button> <button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> <span class="sr-only">Toggle Dropdown</span> </button> <div class="dropdown-menu"> <a class="dropdown-item" href="#">Action</a> <a class="dropdown-item" href="#">Another action</a> <a class="dropdown-item" href="#">Something else here</a> <div role="separator" class="dropdown-divider"></div> <a class="dropdown-item" href="#">Separated link</a> </div> </div> <input class="form-control" aria-label="Text input with segmented dropdown button" type="text"> </div> <div class="input-group"> <input class="form-control" aria-label="Text input with segmented dropdown button" type="text"> <div class="input-group-append"> <button type="button" class="btn btn-outline-secondary">Action</button> <button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> <span class="sr-only">Toggle Dropdown</span> </button> <div class="dropdown-menu"> <a class="dropdown-item" href="#">Action</a> <a class="dropdown-item" href="#">Another action</a> <a class="dropdown-item" href="#">Something else here</a> <div role="separator" class="dropdown-divider"></div> <a class="dropdown-item" href="#">Separated link</a> </div> </div> </div>
Input groups include support for custom selects and custom file inputs. Browser default versions of these are not supported.
<div class="input-group mb-3"> <div class="input-group-prepend"> <label class="input-group-text" for="inputGroupSelect01">Options</label> </div> <select class="custom-select" id="inputGroupSelect01"> <option selected="">Choose...</option> <option value="1">One</option> <option value="2">Two</option> <option value="3">Three</option> </select> </div> <div class="input-group mb-3"> <select class="custom-select" id="inputGroupSelect02"> <option selected="">Choose...</option> <option value="1">One</option> <option value="2">Two</option> <option value="3">Three</option> </select> <div class="input-group-append"> <label class="input-group-text" for="inputGroupSelect02">Options</label> </div> </div> <div class="input-group mb-3"> <div class="input-group-prepend"> <button class="btn btn-outline-secondary" type="button">Button</button> </div> <select class="custom-select" id="inputGroupSelect03"> <option selected="">Choose...</option> <option value="1">One</option> <option value="2">Two</option> <option value="3">Three</option> </select> </div> <div class="input-group"> <select class="custom-select" id="inputGroupSelect04"> <option selected="">Choose...</option> <option value="1">One</option> <option value="2">Two</option> <option value="3">Three</option> </select> <div class="input-group-append"> <button class="btn btn-outline-secondary" type="button">Button</button> </div> </div>
<div class="input-group mb-3"> <div class="input-group-prepend"> <span class="input-group-text">Upload</span> </div> <div class="custom-file"> <input class="custom-file-input" id="inputGroupFile01" type="file"> <label class="custom-file-label" for="inputGroupFile01">Choose file</label> </div> </div> <div class="input-group mb-3"> <div class="custom-file"> <input class="custom-file-input" id="inputGroupFile02" type="file"> <label class="custom-file-label" for="inputGroupFile02">Choose file</label> </div> <div class="input-group-append"> <span class="input-group-text">Upload</span> </div> </div> <div class="input-group mb-3"> <div class="input-group-prepend"> <button class="btn btn-outline-secondary" type="button">Button</button> </div> <div class="custom-file"> <input class="custom-file-input" id="inputGroupFile03" type="file"> <label class="custom-file-label" for="inputGroupFile03">Choose file</label> </div> </div> <div class="input-group"> <div class="custom-file"> <input class="custom-file-input" id="inputGroupFile04" type="file"> <label class="custom-file-label" for="inputGroupFile04">Choose file</label> </div> <div class="input-group-append"> <button class="btn btn-outline-secondary" type="button">Button</button> </div> </div>
Screen readers will have trouble with your forms if you don’t include a label for every input. For these input groups, ensure that any additional label or functionality is conveyed to assistive technologies.
The exact technique to be used ( <label> elements hidden using the .sr-only class, or use of the aria-label and aria-labelledby attributes, possibly in combination with aria-describedby) and what additional information will need to be conveyed will vary depending on the exact type of interface widget you’re implementing. The examples in this section provide a few suggested, case-specific approaches.
.sr-only
aria-label
aria-labelledby
aria-describedby