Layouts place boxes next to each other using the float property.
When elements are floated, the height of the boxes can affect where the following elements sit.
The float property allows you to take an element in normal flow and place it as far to the left or right of the containing element as possible.
example page for float property: 4 paragraphs, with set width and a float property. example page for float property: 4 paragraphs, with set width and a float property.