Untitled

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
<style id="jsbin-css">
.col1 {
  background-color: lightblue;
}

.col2 {
  background-color: lightgreen;
}

table {
  border-style: solid;
  border-collapse: initial;
  width: 100%;
  text-align: center;
}

tbody > tr:nth-child(even){
  background-color: white
}

tbody > tr:nth-child(odd){
  background-color: red
}

tr:hover {
  background-color: #ccff99;
}
</style>
</head>
<body>

<table>
  <colgroup>
    <col span="2" class="col1">
    <col span="1" class="col2">
  </colgroup>

  <thead>
  <tr>
    <th>Name</th>
    <th>Email</th>
  <th>Address</th>
  </tr>
  </thead>
  <tbody>
  <tr>
    <td>Bob</td>
          <td>alex@gmail.com</td>
      <td>Alex Address</td>
  </tr>
    <tr>
    <td>Alex</td>
      <td>alex@gmail.com</td>
      <td>Alex Address</td>
  </tr>
  <tr>
    <td>William</td>
          <td>william@gmail.com</td>
      <td>William Address</td>
  </tr>
  <tr>
    <td>Alexa</td>
          <td>alexa@gmail.com</td>
      <td>Alexa Address</td>
  </tr>
  </tbody>
</table>


<script id="jsbin-source-css" type="text/css">.col1 {
  background-color: lightblue;
}

.col2 {
  background-color: lightgreen;
}

table {
  border-style: solid;
  border-collapse: initial;
  width: 100%;
  text-align: center;
}

tbody > tr:nth-child(even){
  background-color: white
}

tbody > tr:nth-child(odd){
  background-color: red
}

tr:hover {
  background-color: #ccff99;
}</script>
</body>
</html>