title: Changing colour of specific data
body: <p>I want to change the colour of some data from my json file.
  If I have a dataset that has dates inside and I want the dates that are 2017 in light pink. How can I achieve this without effecting the 2018, 2019 ect. dates. </p>
  
  <p>Json file:</p>
  
  <pre><code>[
      {
          "id": 1,
          "month": "2017-03-01"
      }
      {
          "id": 2,
          "month": "2017-04-01"
      }
      {
          "id": 3,
          "month": "2017-05-01"
      }
      {
          "id": 4,
          "month": "2017-06-01"
      }
      {
          "id": 5,
          "month": "2017-07-01"
      }
      {
          "id": 6,
          "month": "2017-08-01"
      }
      {
          "id": 7,
          "month": "2017-09-01"
      }
      {
          "id": 8,
          "month": "2017-10-01"
      }
      {
          "id": 9,
          "month": "2017-11-01"
      }
      {
          "id": 10,
          "month": "2017-12-01"
      }
      {
          "id": 11,
          "month": "2018-01-01"
      }
      {
          "id": 12,
          "month": "2018-02-01"
      }
      {
          "id": 13,
          "month": "2018-03-01"
      }
  ]
  </code></pre>
  
  <p>This is the HTML I need editing. I need it so the months that are in 2017 display in light pink.
  HTML:</p>
  
  <pre><code>&lt;table&gt;
    &lt;tr&gt;
      &lt;th&gt;Line 1&lt;/th&gt;
      &lt;th *ngFor="let volumes of volumes"&gt;{{ volumes.month | uppercase }}&lt;/th&gt;
    &lt;/tr&gt;
  &lt;/table&gt;
  </code></pre>