The #main and .post are the titles of each containers. Each container codes must be contained within {...}. For the explanation below, we'll focus on the codes inside the post block, especially for the explanation on the margin and padding (the codes colored in red).Margin - sets the distance between the border of the container to the border of a parent (larger) container outside it. There are 4 numbers defining the Margin property. The 1st number...
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