.form-control class give the attractive lloks to your input/select/textarea/radio/checkbox/file elements, here we see some examples
<div>
<label for="exampleInput" class="form-label">Name</label>
<input type="text" class="form-control" id="exampleInput" placeholder="Enter text">
</div>
Sizing
Set heights of fields using classes like .form-control-lg and .form-control-sm.
<input class="form-control form-control-sm" type="text" placeholder=".form-control-sm" aria-label=".form-control-sm example">
<input class="form-control" type="text" placeholder="Default input" aria-label="default input example">
<input class="form-control form-control-lg" type="text" placeholder=".form-control-lg" aria-label=".form-control-lg example">
Disabled
<input class="form-control" type="text" placeholder="Disabled input" aria-label="Disabled input example" disabled>
<input class="form-control" type="text" value="Disabled readonly input" aria-label="Disabled input example" disabled readonly>
Readonly
<input class="form-control" type="text" value="Readonly input here..." aria-label="readonly input example" readonly>
Readonly plain text
<div class="">
<label for="staticEmail" class="col-sm-2 col-form-label">Email</label>
<input type="text" readonly class="form-control-plaintext" id="staticEmail" value="email@example.com">
</div>
File input
<div>
<label for="formFile" class="form-label">Default file input example</label>
<input class="form-control" type="file" id="formFile">
</div>
<div>
<label for="formFileMultiple" class="form-label">Multiple files input example</label>
<input class="form-control" type="file" id="formFileMultiple" multiple>
</div>
<div>
<label for="formFileSm" class="form-label">Small file input example</label>
<input class="form-control form-control-sm" id="formFileSm" type="file">
</div>
<div>
<label for="formFileLg" class="form-label">Large file input example</label>
<input class="form-control form-control-lg" id="formFileLg" type="file">
</div>
<div>
<label for="formFileDisabled" class="form-label">Disabled file input example</label>
<input class="form-control" type="file" id="formFileDisabled" disabled>
</div>
Color
<label for="exampleColorInput" class="form-label">Color picker</label>
<input type="color" class="form-control form-control-color" id="exampleColorInput" value="#00FF00" title="Choose your color">
Datalists
<label for="exampleDataList" class="form-label">Datalist example</label>
<input class="form-control" list="datalistOptions" id="exampleDataList" placeholder="Type to search...">
<datalist id="datalistOptions">
<option value="San Francisco">
<option value="New York">
<option value="Seattle">
<option value="Los Angeles">
<option value="Chicago">
</datalist>