title: flexdashboard - change title bar color
body: <p>I want to change the title bar color of a flexdashboard. </p>
  
  <p>I've found an example for removing it - SE <a href="https://stackoverflow.com/questions/43637756/r-flexdashboard-remove-title-bar">here</a>, but given that I don't know any CSS/JQuery, I had to ask. </p>
  
  <p>I want to change the bar color to red, and the text to black. </p>
  
  <p>Anyone? </p>
  
  <p>Edit (example below): </p>
  
  <pre><code>---
  title: "DB: Contact information"
  output: 
    flexdashboard::flex_dashboard:
      orientation: columns
      vertical_layout: fill
  ---
  
  &lt;style&gt;                     
  .navbar {
    background-color:crimson;
    border-color:black;
  }
  .navbar-brand {
  color:black!important;
  }
  
  
  &lt;/style&gt;   
  
  
  Dashboard
  =====================================  
  
  Test. Test. Test. 
  
  Column {data-width=650}
  -----------------------------------------------------------------------
  
  ### Clustered Data
  </code></pre>
  
  <p>Result: 
  <a href="https://i.stack.imgur.com/yR2os.png" rel="noreferrer"><img src="https://i.stack.imgur.com/yR2os.png" alt="enter image description here"></a></p>