The border-width Property

The border-width property can have from one to four values (for the top border, right border, bottom border, and the left border):

Some text.

Some text.

Some text.

The internal stylesheet embedded in the head of this page

<style>
p.one {
  border-style: solid;
  border-width: 5px 20px; /* 5px top and bottom, 20px on the sides */
}

p.two {
  border-style: solid;
  border-width: 20px 5px; /* 20px top and bottom, 5px on the sides */
}

p.three {
  border-style: solid;
  border-width: 25px 10px 4px 35px; /* 25px top, 10px right, 4px bottom and 35px left */
}
</style>