Responsive email widget theme

1-Header.html

<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">

<title>{{ site.company_name }}</title>

<link rel="icon" type="image/vnd.microsoft.icon" href='{{ "/favicon.png" | portal_image_url: image_asset_host }}' />
<link rel="icon" type="image/png" href='{{ "/favicon.png" | portal_image_url: image_asset_host }}' />
<link href='//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800' rel='stylesheet' type='text/css'>

<style type="text/css">
  
.hide {
  display: none !important;
}
  
html {
  height: 100%;
}
  
body {
  position: relative; 
  top: auto;
  right: auto;
  bottom: auto;
  left: auto;
  text-align: left;
  height: 100%;
  color: #777;
  line-height: 23px;
  font-family: "Open Sans","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size: 13px;
  box-shadow: -1px 0 0 0 #e0e0e0;
  background: #f7f7f7;
}
  
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, .x {
  color: #777;
  font-family: "Open Sans","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size: 13px;
  line-height: 23px;
}
  
.form_label {
  font-size: 1em;
  padding: 0;
  color: #777;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 600;
}
  
.customer_widget {
  background: transparent; 
  box-sizing: border-box;
  border: 0;
  position: static;
  font-size: 1em;
}
  
form {
  padding: 0;
}
  
.customer_widget .inside_title {
  background: #3498db;
  border-bottom: 0;
}
  
.customer_widget .inside_title,
.customer_inner_widget {
  padding: 15px;
}
  
.customer_widget .inside_desc {
  background: url(//desk-customers.s3.amazonaws.com/shared/pencil_22.png) no-repeat 8px 8px;
  background-size: 26px;
  padding: 15px 45px 5px;
  border: 0;
  margin: 20px 10px 10px 10px;
}
  
.input {
  margin-bottom: 15px;
}
  

input.default, 
select.default, 
textarea.default,
input[type=text], 
input[type=number], 
textarea {
  -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
  -moz-box-sizing: border-box;    /* Firefox, other Gecko */
  box-sizing: border-box;         /* Opera/IE 8+ */
  padding: 6px;
  color: #555;
  background-color: #fff;
  border: 1px solid #e0e0e0;
  -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,0.075);
  -moz-box-shadow: inset 0 1px 1px rgba(0,0,0,0.075);
  box-shadow: inset 0 1px 1px rgba(0,0,0,0.075);
  -webkit-transition: border linear 0.2s,box-shadow linear 0.2s;
  -moz-transition: border linear 0.2s,box-shadow linear 0.2s;
  -o-transition: border linear 0.2s,box-shadow linear 0.2s;
  transition: border linear 0.2s,box-shadow linear 0.2s;
}
  
input.default:focus, textarea.default:focus, input:focus, textarea:focus, select.default:focus, input.ui-autocomplete-input:focus, .ui-state-focus {
  border: 1px solid #d3d3d3;
}
  
.submit {
  cursor: pointer; 
  line-height: 19px;
  text-align: center;
  color: white;
  text-shadow: 0 -1px 0 rgba(0,0,0,0.25);
  background-color: #25b160;
  background-image: -moz-linear-gradient(top, #25b160, #25b160);
  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#25b160), to(#25b160));
  background-image: -webkit-linear-gradient(top, #25b160, #25b160);
  background-image: -o-linear-gradient(top, #25b160, #25b160);
  background-image: linear-gradient(to bottom, #25b160, #25b160);
  background-repeat: repeat-x;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#FF25B160', endColorstr='#FF25B160', GradientType=0);
  border-color: #25b160 #25b160 #18723e;
  border-color: rgba(0,0,0,0.1) rgba(0,0,0,0.1) rgba(0,0,0,0.25);
  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
  border: 1px solid #25b160;
  padding: 7px 10px;
  border-left: 1px solid #22a459;
  min-width: 75px;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 13px;
}
  
ul {
  list-style-type: disc;
  padding-left: 30px;
}
  
.autosuggest {
  background: #FFFBE4;
  border: 1px solid #D1BB8F;
  border-top: 1px solid #F1E2C4;
  border-left: 1px solid #F1E2C4;
  border-radius: 3px;
  padding: 10px;
  min-width: 300px;
  display: inline-block;
}
  
</style>

2-Body.html

{% if ticket.labels_new == "b" %}
  This is form B
{% else %}
  This is form A
{% endif %}

<div id="customer_widget_main" class="customer_widget">
  <div class="inside_title">{{site.company_name}} {{system.snippets.help_center}}</div>
  <div class="inside_desc">{{system.snippets.email_support}} </div>
  <div class="customer_inner_widget" >
    {% if current_user == nil or current_user.is_guest %}
    <div class="input" ><span class="form_label">{{system.snippets.your_name}}:</span>
      {{ interaction_name }}
    </div>
    <div class="input" ><span class="form_label">{{system.snippets.your_email}}:</span>
      {{ interaction_email }}
    </div>
    {% endif %}
    
    <div class="input"><span class="form_label">Brand:</span>
      {{ ticket_custom_brand }}
      <!-- <input class="default l" type="text" name="ticket[custom_brand]" id="ticket_custom_brand" value="{{ ticket.custom_brand }}" /> -->
    </div>
    
    <div class="input"><span class="form_label">{{system.snippets.subject}}:</span>
      {{ email_subject }}
    </div>
    <div class="input"><span class="form_label">{{system.snippets.message}}:</span>
      {{ email_body }}
    </div>
    
    <div class="input autosuggest hide">
      <div class="article-links"></div>
    </div>
    
    <div class="input"><span class="form_label">File Attachment:</span>
      <input class="default l widget_text_area" id="ticket_attachment_attachment" name="ticket_attachment[attachment]" style="height: 32px;" type="file">
    </div>
    
    {{hidden_parameters }}
    <button type="submit" class="submit">Submit</button>
    {{ interaction_info }}
  </div>
  <!--customer_inner_widget-->
</div>
<!--customer_widget_main-->

<script>
$(function() {
  // Real-time auto-suggest
  $('#email_subject, #email_body').on("keyup paste",function() {
    if ($('#email_subject').val().length > 3 && $('#email_subject').val().length <= 250) {
      clearTimeout(window.timer);
      window.timer=setTimeout(function(){ // setting the delay for each keypress
        articleSuggest();
      }, 500);
    }
  });
});
  
articleSuggest = function() {
  as_count = 0;
  var search_query = $('#email_subject').val() + " " + $('#email_body').val();
  var systemLanguageDesk = '{{system.language}}';
  
  $.ajax({
    url: '//' + document.domain.toString() + '/customer/' + systemLanguageDesk + '/portal/articles/autocomplete?term=' + search_query,
    dataType: 'json'
  }).done(apiSuccess).fail(apiFail);

}
  
apiSuccess = function(data) {
  auto_suggest_content = "";
  auto_suggest_articles = "";
  auto_suggest_questions = "";
  $('.autosuggest').html('<span class="form_label">Do these help?</span><ul></ul>');
  $.each(data, function() {
    var html = $(this.label);
    article_title = html.find(".article-autocomplete-subject").html();
    if (this.id.indexOf("questions") !== -1) {
      auto_suggest_questions += '<li><a target="_blank" href="' + this.id + '" class="discussion">' + article_title + '</a></li>';
    } else {
      auto_suggest_articles += '<li><a target="_blank" href="' + this.id + '" class="article">' + article_title + '</a></li>';
    }
    as_count++;
  });
  if (as_count > 0) {
    $('.autosuggest ul').append(auto_suggest_articles + auto_suggest_questions);
    $(".autosuggest").removeClass('hide');
  } else {
    $(".autosuggest").addClass('hide');
  }
};
  
apiFail = function(data) {
    
};
</script>