(1) Most block-level elements have a bottom margin of 20px.

(2) Fixed Bottom Margin of Article.

(3) The bottom margin of an in-flow block-level element is always adjoining to the top margin of its next in-flow block-level sibling, unless that sibling has clearance.

(4) The bottom margin of an in-flow block box with a 'height' of 'auto' is adjoining to its last in-flow block-level child's bottom margin if the element has no bottom padding or border.

(5) Footers start printing on the last text line, with additional footer lines running into the bottom margin.

(6) If the box does not have a baseline, align the bottom margin edge with the parent's baseline.

(7) Notice how the top margin of the second paragraph is extended vertically to meet the bottom margin of the previous paragraph.

(8) left - Increase the generated box's top margin so that the top border edge is below the bottom margin edge of any left float boxes generated from previous source elements.

(9) The two block-level elements to which I did not apply bottom margin are blockquote and form.

(10) Respectively, under the before and after, sending frozen at the bottom margin pathology, during diagnosis: sarcoma(), first consider the malignant fibrous histiocytoma.

(11) Here, you're leaving a generous amount of space for the page footer to ensure that you're not drawing too close to the bottom margin (see Listing 7).

(12) right - Increase the generated box's top margin so that the top border edge is below the bottom margin edge of any right float boxes generated from previous source elements.

(13) On the vertical dimension, we distribute extra space in a ratio of (1, 4, 2) corresponding to (top margin, button itself, bottom margin).

(14) If the box does not have a baseline, align bottom margin edge with the parent's baseline.

(15) Otherwise, either the element's parent is not taking part in the margin collapsing, or only the parent's bottom margin is involved.