Last week, I ran a twitter poll asking the following question - What would be the amount of space between two sibling divs, where the 1st has a margin-bottom of 10px and 2nd a margin-top of 30px? The result of this poll was that 39% of the 754 people who voted got the correct answer, which was 30px. [CSS Quiz] What would be the amount of space between two sibling divs, where the 1st has a margin-b