Default

<form action="/action_page.php"><p>Custom file:</p><div class="custom-file mb-3"><input type="file"class="custom-file-input"id="customFile"name="filename"><label class="custom-file-label"for="customFile">Choose file</label></div><p>Default file:</p><input type="file"id="myFile"name="filename2"><div class="mt-3"><button type="submit"class="btn btn-primary">Submit</button></div></form>

Custom file:

Default file:

file input

<form id="file-upload-form"class="uploader-file"><input id="file-upload"type="file"name="fileUpload"accept="image