Edit

Setting Borders for Each Side

You can set the border on each side using border-top, border-bottom, border-right, border-left attributes. 

Example of Code

<style>
  .Set-border-top-side {
    border-top-width: 4px;
    padding: 20px;
  }
  .Set-border-bottom-side{
    border-bottom-width: 4px;
    padding: 20px;
  }
  .Set-border-right-side{
    border-right-width: 4px;
    padding: 20px;
  }
  .Set-border-right-side{
    border-left-width: 4px;
    padding: 20px;
  }
</style>
<div class="Set-border-top-side">
  This 'div' has a top border.
</div>
<div class="Set-border-bottom-side">
  This 'div' has a bottom border.
</div>
<div class="Set-border-left-side">
  This 'div' has a left border.
</div>
<div class="Set-border-right-side">
  This 'div' has a right border.
</div>

Output

  This 'div' has a top border.
  This 'div' has a bottom border.
  This 'div' has a left border.
  This 'div' has a right border.