Responsive CSS tables - Reference http://codepen.io/anon/pen/QwPVNW

style.css

  body {
    font-family: arial;
  }

  table {
    border: 1px solid #ccc;
    width: 100%;
    margin:0;
    padding:0;
    border-collapse: collapse;
    border-spacing: 0;
  }

  table tr {
    border: 1px solid #ddd;
    padding: 5px;
  }

  table th, table td {
    padding: 10px;
    text-align: center;
  }

  table th {
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
  }

  @media screen and (max-width: 600px) {

    table {
      border: 0;
    }

    table thead {
      display: none;
    }

    table tr {
      margin-bottom: 10px;
      display: block;
      border-bottom: 2px solid #ddd;
    }

    table td {
      display: block;
      text-align: right;
      font-size: 13px;
      border-bottom: 1px dotted #ccc;
    }

    table td:last-child {
      border-bottom: 0;
    }

    table td:before {
      content: attr(data-label);
      float: left;
      text-transform: uppercase;
      font-weight: bold;
    }
  }

table.html

<table>
  <thead>
    <tr>
      <th>Payment</th>
      <th>Issue Date</th>
      <th>Amount</th>
      <th>Period</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td data-label="Payment">Payment #1</td>
      <td data-label="Issue Date">02/01/2015</td>
      <td data-label="Amount">$2,311</td>
      <td data-label="Period">01/01/2015 - 01/31/2015</td>
    </tr>
    <tr>
      <td data-label="Payment">Payment #2</td>
      <td data-label="Issue Date">03/01/2015</td>
      <td data-label="Amount">$3,211</td>
      <td data-label="Period">02/01/2015 - 02/28/2015</td>
    </tr>
  </tbody>
</table>