title: How to change icon filling color in toastr
body: <p>I have toastr success and error messages shown in my application. I changes the colors of the background and the font color. I want to change the icon colors shown in the messages. I have searched everywhere for this but I can't find a way to change the fill color of the icon or at least changing the icon. Below is a screenshot of success message
  <a href="https://i.stack.imgur.com/ct317.png" rel="noreferrer"><img src="https://i.stack.imgur.com/ct317.png" alt="enter image description here"></a></p>
  
  <p>Below is for the error message,</p>
  
  <p><a href="https://i.stack.imgur.com/CUVZF.png" rel="noreferrer"><img src="https://i.stack.imgur.com/CUVZF.png" alt="enter image description here"></a></p>
  
  <p>I want to change the icons shown in these messages of change the filling color of the icons. The code in js file,</p>
  
  <pre><code>.success(function(data) {
       toastr.success('Successfully Build ', 'Congratulations!', {
                          closeButton: true
                      });
  }).error(function(err) {
      toastr.error('Cant Build', 'Error', {
                          closeButton: true
                      });
  </code></pre>
  
  <p>In css,</p>
  
  <pre><code>#toast-container &gt; .toast-success {
      background-image: none;
      background-color: #e9e9e9;
      color: black;
  }
  #toast-container &gt; .toast-error {
      background-image: none;
      background-color: #e9e9e9;
      color: red;
  }
  </code></pre>