Creating a custom file input field with Bootstrap 4

I've been attempting to incorporate the custom-file-input feature using bootstrap4 alpha 6, but I'm encountering a blank area after adding it, like this:

<label class="custom-file">
    <input type="file" id="file" class="custom-file-input">
    <span class="custom-file-control"></span>
</label>

Check out Bootstrap4 file browser documentation for more information.

https://i.sstatic.net/8c3Qs.png

Do I need to add any specific CSS styles with this implementation?

Answer №1

The CSS code sets the placeholder and button for the custom file control:

.custom-file-control::after {
  content: "Select file...";
}

.custom-file-control::before {
  content: "Click me";
}

To see an example, visit

You can also specify a language in the HTML document like this:

<html lang="en"></html>

And customize the style for different languages accordingly...

.custom-file-control:lang(en)::after {
  content: "Select file...";
}

.custom-file-control:lang(en)::before {
  content: "Click me";
}

Check out the link for more information:

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