The example of Bootstrap 4 striped table with CSS file reference

The Code
Output
<!DOCTYPE html>
<html>
<head>

<style>
/*Main table classes*/
.table {
  width: 100%;
  max-width: 100%;
  margin-bottom: 1rem;
  background-color: transparent;
}

.table th,
.table td {
  padding: 0.75rem;
  vertical-align: top;
  border-top: 1px solid #dee2e6;
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid #dee2e6;
}

.table tbody + tbody {
  border-top: 2px solid #dee2e6;
}

.table .table {
  background-color: #fff;
}

.table-sm th,
.table-sm td {
  padding: 0.3rem;
}

.table-bordered {
  border: 1px solid #dee2e6;
}

.table-bordered th,
.table-bordered td {
  border: 1px solid #dee2e6;
}

.table-bordered thead th,
.table-bordered thead td {
  border-bottom-width: 2px;
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.05);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.075);
}

.table-primary,
.table-primary > th,
.table-primary > td {
  background-color: #b8daff;
}

.table-hover .table-primary:hover {
  background-color: #9fcdff;
}

.table-hover .table-primary:hover > td,
.table-hover .table-primary:hover > th {
  background-color: #9fcdff;
}

.table-secondary,
.table-secondary > th,
.table-secondary > td {
  background-color: #dddfe2;
}

.table-hover .table-secondary:hover {
  background-color: #cfd2d6;
}

.table-hover .table-secondary:hover > td,
.table-hover .table-secondary:hover > th {
  background-color: #cfd2d6;
}

.table-success,
.table-success > th,
.table-success > td {
  background-color: #c3e6cb;
}

.table-hover .table-success:hover {
  background-color: #b1dfbb;
}

.table-hover .table-success:hover > td,
.table-hover .table-success:hover > th {
  background-color: #b1dfbb;
}

.table-info,
.table-info > th,
.table-info > td {
  background-color: #bee5eb;
}

.table-hover .table-info:hover {
  background-color: #abdde5;
}

.table-hover .table-info:hover > td,
.table-hover .table-info:hover > th {
  background-color: #abdde5;
}

.table-warning,
.table-warning > th,
.table-warning > td {
  background-color: #ffeeba;
}

.table-hover .table-warning:hover {
  background-color: #ffe8a1;
}

.table-hover .table-warning:hover > td,
.table-hover .table-warning:hover > th {
  background-color: #ffe8a1;
}

.table-danger,
.table-danger > th,
.table-danger > td {
  background-color: #f5c6cb;
}

.table-hover .table-danger:hover {
  background-color: #f1b0b7;
}

.table-hover .table-danger:hover > td,
.table-hover .table-danger:hover > th {
  background-color: #f1b0b7;
}

.table-light,
.table-light > th,
.table-light > td {
  background-color: #fdfdfe;
}

.table-hover .table-light:hover {
  background-color: #ececf6;
}

.table-hover .table-light:hover > td,
.table-hover .table-light:hover > th {
  background-color: #ececf6;
}

.table-dark,
.table-dark > th,
.table-dark > td {
  background-color: #c6c8ca;
}

.table-hover .table-dark:hover {
  background-color: #b9bbbe;
}

.table-hover .table-dark:hover > td,
.table-hover .table-dark:hover > th {
  background-color: #b9bbbe;
}

.table-active,
.table-active > th,
.table-active > td {
  background-color: rgba(0, 0, 0, 0.075);
}

.table-hover .table-active:hover {
  background-color: rgba(0, 0, 0, 0.075);
}

.table-hover .table-active:hover > td,
.table-hover .table-active:hover > th {
  background-color: rgba(0, 0, 0, 0.075);
}

.table .thead-dark th {
  color: #fff;
  background-color: #212529;
  border-color: #32383e;
}

.table .thead-light th {
  color: #495057;
  background-color: #e9ecef;
  border-color: #dee2e6;
}

.table-dark {
  color: #fff;
  background-color: #212529;
}

.table-dark th,
.table-dark td,
.table-dark thead th {
  border-color: #32383e;
}

.table-dark.table-bordered {
  border: 0;
}

.table-dark.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(255, 255, 255, 0.05);
}

.table-dark.table-hover tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.075);
}

@media (max-width: 575.99px) {
  .table-responsive-sm {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: -ms-autohiding-scrollbar;
  }
  .table-responsive-sm > .table-bordered {
    border: 0;
  }
}

@media (max-width: 767.99px) {
  .table-responsive-md {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: -ms-autohiding-scrollbar;
  }
  .table-responsive-md > .table-bordered {
    border: 0;
  }
}

@media (max-width: 991.99px) {
  .table-responsive-lg {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: -ms-autohiding-scrollbar;
  }
  .table-responsive-lg > .table-bordered {
    border: 0;
  }
}

@media (max-width: 1199.99px) {
  .table-responsive-xl {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: -ms-autohiding-scrollbar;
  }
  .table-responsive-xl > .table-bordered {
    border: 0;
  }
}

.table-responsive {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  -ms-overflow-style: -ms-autohiding-scrollbar;
}

.table-responsive > .table-bordered {
  border: 0;
}

/*Striped table class code*/
.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.05);
}
</style>
</head>
<body>
<div class="container">
  <h3>A Demo of Striped Table using Bootstrap 4</h2>
 
<table class="table table-striped">
  <thead>
    <tr>
      <th>Month</th>
      <th>Sales</th>
      <th>Amount</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <th scope="row">January</th>
      <td>85</td>
      <td>$13,555.00</td>
    </tr>
    <tr>
      <th scope="row">February</th>
      <td>73</td>
      <td>$9500.00</td>
    </tr>
    <tr>
      <th scope="row">March</th>
      <td>135</td>
      <td>$18,000.00</td>
    </tr>
    <tr>
      <th scope="row">April</th>
      <td>45</td>
      <td>$27,500.00</td>
    </tr>
    <tr>
      <th scope="row">May</th>
      <td>69</td>
      <td>$13,000.00</td>
    </tr>
    <tr>
      <th scope="row">June</th>
      <td>105</td>
      <td>$20,500.00</td>
    </tr>            
  </tbody>
</table>

</div>
</body>
</html>
A Demo of Striped Table using Bootstrap 4

Month	Sales	Amount
January	85	$13,555.00
February	73	$9500.00
March	135	$18,000.00
April	45	$27,500.00
May	69	$13,000.00
June	105	$20,500.00