Customizing the CSS for Google Recaptcha to ensure it is mobile-friendly

After successfully implementing Google Recaptcha on my website (which is not a Wordpress or Joomla site), I encountered an issue with responsiveness. Despite attempting to override Google's styles in my custom CSS file, their liberal use of the !important selector made it difficult for me to make any changes without breaking the plugin functionality.

Are there any suggestions or solutions to this problem? Unfortunately, using a different re-captcha solution is not an option for me at this time.

Below is the HTML code generated by recaptcha.php from the server, illustrating the lack of CSS files that are causing the main issue:

<div id="recaptcha_widget_div" style="" class=" recaptcha_nothad_incorrect_sol recaptcha_isnot_showing_audio"><div id="recaptcha_area"><table id="recaptcha_table" class="recaptchatable recaptcha_theme_red"> 
  <tbody>
     <tr> 
        <td colspan="6" class="recaptcha_r1_c1"></td> 
     </tr> 
     <!-- Remaining table rows and cells omitted for brevity -->
</table> 
</div> 
</div>

This is the snippet of code I have on the actual page:

require_once('recaptchalib.php');
$publickey = "your_public_key"; // You can obtain this from the signup page
echo recaptcha_get_html($publickey);

These discrepancies have posed challenges for ensuring proper styling and responsiveness on my website. Any insights or advice on how to tackle this issue would be greatly appreciated.

cssresponsive-designrecaptcha

Answer №1

Adjusted auto height and media query settings

@media only screen and (max-width : 480px) {
    #recaptcha_challenge_image{
    margin: 0 !important;
    width: 100% !important;
    height: auto !important;
    }
    #recaptcha_response_field
    {
    margin: 0 !important;
    width: 100% !important;
    height: auto !important;
    }
    .recaptchatable #recaptcha_image {
    margin: 0 !important;
    width: 100% !important;
    height: auto !important;
    }
    .recaptchatable .recaptcha_r1_c1, 
    .recaptchatable .recaptcha_r3_c1, 
    .recaptchatable .recaptcha_r3_c2, 
    .recaptchatable .recaptcha_r7_c1, 
    .recaptchatable .recaptcha_r8_c1, 
    .recaptchatable .recaptcha_r3_c3, 
    .recaptchatable .recaptcha_r2_c1, 
    .recaptchatable .recaptcha_r4_c1, 
    .recaptchatable .recaptcha_r4_c2, 
    .recaptchatable .recaptcha_r4_c4, 
    .recaptchatable .recaptcha_image_cell {

    margin: 0 !important;
    width: 100% !important;
    background: none !important;
    height: auto !important;
    }

}

Answer №2

To implement reCAPTCHA with jQuery:

$(function(){
  function adjustCaptchaSize(){
    var width = $('.g-recaptcha').parent().width();
    var scale;
    if (width < 302) {
      scale = width / 302;
    } else{
      scale = 1.0; 
    }

    $('.g-recaptcha').css('transform', 'scale(' + scale + ')');
    $('.g-recaptcha').css('-webkit-transform', 'scale(' + scale + ')');
    $('.g-recaptcha').css('transform-origin', '0 0');
    $('.g-recaptcha').css('-webkit-transform-origin', '0 0');
  }

  adjustCaptchaSize();
  $( window ).resize(function() { adjustCaptchaSize(); });

});

This code snippet dynamically adjusts the size of the reCAPTCHA based on the browser's width, providing an optimal solution for different screen sizes.

Screenshots showcasing full width, smaller width, and smallest width displays:

https://i.sstatic.net/5VM8n.png

https://i.sstatic.net/MeLJC.png

https://i.sstatic.net/5wTBs.png

Answer №3

In my situation, I adjusted the size of it and implemented centered horizontal alignment using the Bootstrap 4 grid system. Take a look here to see the outcome.

Snippet:

<div class="row justify-content-center">
     <div class="col g-recaptcha" data-sitekey="check_reCaptcha_doc_to_set_this" style="width: 304px !important; max-width: 304px !important; -ms-transform: scale(0.8, 0.8); -webkit-transform: scale(0.8, 0.8); transform: scale(0.8, 0.8); margin: 0px; padding: 0px;">
     </div>
</div>

Answer №4

Here is my approach utilizing media queries to address mobile responsiveness. By applying a scale transformation, I adjust the size appropriately for smaller screens.

An efficient and straightforward solution:

@media (max-width:575px) {
    #rc-imageselect, .g-recaptcha {
        transform:scale(0.77);
        transform-origin:0 0;
        margin-bottom: -20px;
    }
}

Answer №5

If you're considering adding CSS styling, we have chosen to strip away any unnecessary elements.

Simply insert this code snippet into your CSS file:

@media (min-width: 320px) and (max-width: 480px) {
        #recaptcha_challenge_image{
        margin: 0 !important;
        width: 100% !important;
        }
        #recaptcha_response_field
        {
        margin: 0 !important;
        width: 100% !important;
        }
        .recaptchatable #recaptcha_image {
        margin: 0 !important;
        width: 100% !important;
        }
        .recaptchatable .recaptcha_r1_c1, 
        .recaptchatable .recaptcha_r3_c1, 
        .recaptchatable .recaptcha_r3_c2, 
        .recaptchatable .recaptcha_r7_c1, 
        .recaptchatable .recaptcha_r8_c1, 
        .recaptchatable .recaptcha_r3_c3, 
        .recaptchatable .recaptcha_r2_c1, 
        .recaptchatable .recaptcha_r4_c1, 
        .recaptchatable .recaptcha_r4_c2, 
        .recaptchatable .recaptcha_r4_c4, 
        .recaptchatable .recaptcha_image_cell {

        margin: 0 !important;
        width: 100% !important;
        background: none !important;
        }

    }

Answer №6

For those looking to customize the appearance of recaptcha forms, Google offers comprehensive documentation that can be found here:

https://developers.google.com/recaptcha/docs/display

Additionally, you have the ability to fully replace the default html/css provided by Google with your own custom styles.

Answer №7

Check out this awesome resource on Google responsive reCAPTCHA! Click here

Don't miss the chance to learn more about this innovative technology!

Explore the world of reCAPTCHA and enhance your web security today.

Answer №8

A great solution is to implement Google reCAPTCHA and apply the following CSS code for a responsive design:

#rc-imageselect, .g-recaptcha {
   display: inline; 
}

#rc-imageselect{
   max-width: 100%;
}

.g-recaptcha>div>div{
   width: 100% !important;
   height: 78px;
   transform:scale(0.77); 
   webkit-transform:scale(0.77);
   text-align: center;
   position: relative;
}

Answer №9

To customize the display for a particular device, you can apply specific transform styles:

 @media only screen and (max-width : 767px)     {

 #rc-imageselect, .g-recaptcha {
    transform: scale(0.77);
    -webkit-transform: scale(0.77);
    transform-origin: 0 0;
    -webkit-transform-origin: 0 0; }
}

Answer №10

One of the most effective solutions I discovered during 2017 and 2018 is:

.g-recaptcha > div {
    width: 100% !important;
}

.g-recaptcha iframe {
    width: 100% !important;
}

Answer №11

To easily solve your problem, just copy the style attribute from the code snippet below and apply it to your own code.

<div class="g-recaptcha" data-theme="light" data-sitekey="XXXXXXXXXXXXX" 
style="transform:scale(0.77);-webkit-transform:scale(0.77);transform-origin:0 0;- 
webkit-transform-origin:0 0;"></div>

For more information on resizing the Google NoCAPTCHA reCAPTCHA, check out this Link

Answer №12

Give this a try for the answer section:

@media only screen and (max-width:480px) {
iframe > ::after, ::before{
    position: relative;
    width: 100% !important;
    left: 0 !important;
    right:0 !important;
}

}

And here's how you can style the checkbox part (remember that recaptchaDiv is the ID of your captcha container div):

#recaptchaDiv {
    width: 100%;
    position: relative;
    left: 0;
}

.g-recaptcha > div {
    width: 100% !important;
    position: relative;
    left: 0;
    top: -1px;
}

    .g-recaptcha > div > div {
        width: 100% !important;
        transform: scale(0.73);
        text-align: center;
        position: relative;
        left: 0;
        top: -1px;
    }

Answer №13

Expanding on the solutions provided by Jan and Siraj Khan, I incorporated additional styling to arrange the buttons on the right side for easier access to features such as image refresh, audio playback, further information, and privacy policies. 

@media only screen and (max-width : 480px) {
  #recaptcha_challenge_image{
    margin: 0 !important;
    width: 100% !important;
  }
  #recaptcha_response_field {
    margin: 0 !important;
    width: 100% !important;
  }
  .recaptchatable #recaptcha_image {
    margin: 0 !important;
    width: 95% !important;
  }
  .recaptchatable .recaptcha_r1_c1,
  .recaptchatable .recaptcha_r3_c1,
  .recaptchatable .recaptcha_r3_c2,
  .recaptchatable .recaptcha_r7_c1,
  .recaptchatable .recaptcha_r8_c1,
  .recaptchatable .recaptcha_r3_c3,
  .recaptchatable .recaptcha_r2_c1,
  .recaptchatable .recaptcha_r4_c1,
  .recaptchatable .recaptcha_r4_c2,
  .recaptchatable .recaptcha_r4_c4,
  .recaptchatable .recaptcha_image_cell {
    margin: 0 !important;
    width: 100% !important;
    background: none !important;
  }
  #recaptcha_table tbody tr td {
    padding: 0 !important;
    width: 75px;
  }
  .recaptchatable .recaptcha_image_cell {
    padding-right: 0 !important;
  }
  #recaptcha_privacy a {
    line-height: 1.2em;
  }
  span#recaptcha_privacy {
    width: 50px;
  }
}

Answer №14

Perhaps this suggestion might be beneficial for you; consider utilizing the transform property on your primary div when integrating the recaptcha.

transform: scale(0.75);
transform-origin: left top;

Answer №15

Hey there, I wanted to share this jquery code with you for resizing elements based on window width. Feel free to tweak the values as needed.

<script>
  
  $(window).resize(function(){

var widthInput = $('input').width()



const defaulCaptchaWidth = 294.5651;
var total = widthInput * 100/defaulCaptchaWidth/100
total = widthInput <= 664 ? total+0.035 : total


$('.gc-recaptcha').css('transform','scale('+total+')');

  });

  $(document).ready(function(){
    var widthInput = $('input').width()



const defaulCaptchaWidth = 294.5651;
var total = widthInput * 100/defaulCaptchaWidth/100
total = widthInput <= 664 ? total+0.035 : total




$('.gc-recaptcha').css('transform','scale('+total+')'); 
  })

//   transform:scale(1.26) !important;

  </script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

To make it more organized:

  <div class="container">
  <form>


  <div class="form-group">
    <label for="exampleInputEmail1">Email address</label>
    <input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp">
    <small id="emailHelp" class="form-text text-muted">We'll never share your email with anyone else.</small>
  </div>
  <div class="form-group">
    <label for="exampleInputPassword1">Password</label>
    <input type="password" class="form-control" id="exampleInputPassword1">
  </div>
  <div class="form-group form-check">
    <input type="checkbox" class="form-check-input" id="exampleCheck1">
    <label class="form-check-label" for="exampleCheck1">Check me out</label>
  </div>
  <button type="submit" class="btn btn-primary">Submit</button>
</form>
<div class="g-recaptcha" data-sitekey="|*YOUR-SITE-KEY*|"></div>
  </div>

.gc-recaptcha {


transform-origin:0 0 !important;

}

`

Answer №16

Hey there, I've put together this jQuery code for resizing elements based on window width. Feel free to adjust the parameters as needed.

<script>
  
  $(window).resize(function(){

var widthInput = $('input').width()

const defaulCaptchaWidth = 294.5651;
var total = widthInput * 100/defaulCaptchaWidth/100
total = widthInput <= 664 ? total+0.035 : total

var teste = widthInput <= 664 ? "Yes" : "No";
console.log(total);

$('.gc-reset').css('transform','scale('+total+')');

  });

  $(document).ready(function(){
    var widthInput = $('input').width()

const defaulCaptchaWidth = 294.5651;
var total = widthInput* 100/defaulCaptchaWidth/100
total = widthInput <= 664 ? total+0.035 : total

var teste = widthInput <= 664 ? "Yes" : "No";
console.log(total);

$('.gc-reset').css('transform','scale('+total+')'); 
  })


</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

Just a little clean-up on the formatting!

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