Tips for personalizing the FileField in wtforms to function as an image button

I'm attempting to display an image from my project's directory as an icon instead of the standard "choose file" button. Unfortunately, my attempts thus far have been unsuccessful. Not only is the image not loading, but the original button is only showing halfway.

HTML

<div>{{ form.tweet_image(class="submit-image-tweet")}}</div>

CSS

.submit-image-tweet {
    background: url(../templates/images/camera_icon.png) no-repeat;
    cursor: pointer;
    border: none;
    width: 40px;
    height: 40px;
}
htmlcsswtforms

Answer №1

If you want to make your file input element more stylish, consider wrapping it within a label and applying CSS to the label instead.

The current status of cross-browser support for styling native elements is getting better. However, for maximum compatibility across different browsers, this method remains the most reliable option.

.file{
  display:block;
  position: relative;
  width: 200px;
  height: 200px;
  background: url(http://icons.iconarchive.com/icons/paomedia/small-n-flat/1024/device-camera-icon.png) no-repeat center center;
  background-size: cover;
}

.file input{
  opacity: 0;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  cursor: pointer;
}
<label class="file">
  <input type="file"/>
</label>

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