bottom margin

基本解釋

Most block-level elements have a bottom margin of 20px.
絕大多數(shù)塊級(jí)別的元素的底部邊距為20px。
Notice how the top margin of the second paragraph is extended vertically to meet the bottom margin of the previous paragraph.
請(qǐng)注意第二個(gè)段落的上邊框是如何垂直擴(kuò)展以便與前一段落的底邊框相接的。
On the vertical dimension, we distribute extra space in a ratio of (1, 4, 2) corresponding to (top margin, button itself, bottom margin).
在垂直方向上，按照與（上邊距，按鈕本身，下邊距）對(duì)應(yīng)的（1，4，2）的比例分配額外空間。

Not exactly--Nortel was looking at shedding the low-margin bottom of its optical-components business, saving the jazziest lines for itself.
FORBES: Lighting up Nortel
None is a true bottom-line margin that relates profits to sales after deducting all costs, including the opportunity cost of equity capital.
FORBES: Are You Being Misled By Profit Margins?
However, our gross margin and bottom line have been impacted by worse than anticipated market conditions and inventory provisions.
FORBES: JA Solar Slides On Weak Q2, Reduced 2011 Guidance