The style declarations which apply to the text below are:

    .one {line-height: 0.5in; font-size: 12px;}
    .two {line-height: 2cm; font-size: 12px;}
    .three {line-height: 20mm; font-size: 12px;}
    .four {line-height: 24pt; font-size: 12px;}
    .five {line-height: 2pc; font-size: 12px;}
    .six {line-height: 2em; font-size: 12px;}
    .seven {line-height: 3ex; font-size: 12px;}
    .eight {line-height: 200%; font-size: 12px;}
    .nine {line-height: 2; font-size: 12px;}
    .ten {line-height: 50px; font-size: 12px;}
    .eleven {line-height: -1em; font-size: 12px;}
    TABLE .ten {line-height: normal; font-size: 12px;}
    DIV {background-color: silver;}
    SPAN.color {background-color: silver;}

This sentence should have a line-height of half an inch, which should cause extra spacing between the lines.

This sentence should have a line-height of two centimeters, which should cause extra spacing between the lines.

This sentence should have a line-height of twenty millimeters, which should cause extra spacing between the lines.

This sentence should have a line-height of twenty-four points, which should cause extra spacing between the lines.

This sentence should have a line-height of two picas, which should cause extra spacing between the lines.

This sentence should have a line-height of two em, which should cause extra spacing between the lines.

This sentence should have a line-height of three ex, which should cause extra spacing between the lines.

This sentence should have a line-height of twice the font size, which should cause extra spacing between the lines.

This first part of the DIV should have a line-height of twice the font size, which should cause extra spacing between the lines.

This sentence should have a line-height of twice the DIV's font size, or 28px; this should not cause extra spacing between the lines, since the line-height and font-size should have the same value.

This second part of the DIV should have a line-height of twice the font size, which should cause extra spacing between the lines.

This sentence should have a line-height of twice the font size, which should cause extra spacing between the lines.

This first part of the DIV should have a line-height of twice the font size, which should cause extra spacing between the lines.

This sentence should have a line-height of twice the font size, which is 200% normal thanks to an inline style; this should cause extra spacing between the lines, as the font-size will be 28px and the line-height will be 56px.

This second part of the DIV should have a line-height of twice the font size, which should cause extra spacing between the lines.

This paragraph should have a line-height of 50 pixels in the first section, which should cause extra spacing between the lines. In the second section (within the table) its line-height should be normal.

This sentence should have a normal line-height, because negative values are not permitted for this property.

This sentence should have a line-height of two centimeters, which should cause extra spacing between the lines. The text has a background color of silver, but no padding or border. The background color has been set on an inline element and should therefore only cover the text, not the interline spacing.

TABLE Testing Section

This sentence should have a line-height of half an inch, which should cause extra spacing between the lines.

This sentence should have a line-height of two centimeters, which should cause extra spacing between the lines.

This sentence should have a line-height of twenty millimeters, which should cause extra spacing between the lines.

This sentence should have a line-height of twenty-four points, which should cause extra spacing between the lines.

This sentence should have a line-height of two picas, which should cause extra spacing between the lines.

This sentence should have a line-height of two em, which should cause extra spacing between the lines.

This sentence should have a line-height of three ex, which should cause extra spacing between the lines.

This sentence should have a line-height of twice the font size, which should cause extra spacing between the lines.

This first part of the DIV should have a line-height of twice the font size, which should cause extra spacing between the lines.

This sentence should have a line-height of twice the DIV's font size, or 28px; this should not cause extra spacing between the lines, since the line-height and font-size should have the same value.

This second part of the DIV should have a line-height of twice the font size, which should cause extra spacing between the lines.

This sentence should have a line-height of twice the font size, which should cause extra spacing between the lines.

This first part of the DIV should have a line-height of twice the font size, which should cause extra spacing between the lines.

This sentence should have a line-height of twice the font size, which is 200% normal thanks to an inline style; this should cause extra spacing between the lines, as the font-size will be 28px and the line-height will be 56px.

This second part of the DIV should have a line-height of twice the font size, which should cause extra spacing between the lines.

This paragraph should have a line-height of 50 pixels in the first section, which should cause extra spacing between the lines. In the second section (within the table) its line-height should be normal.

This sentence should have a normal line-height, because negative values are not permitted for this property.

This sentence should have a line-height of two centimeters, which should cause extra spacing between the lines. The text has a background color of silver, but no padding or border. The background color has been set on an inline element and should therefore only cover the text, not the interline spacing.