Does the font size of content affect the height of a block element?
Let me demonstrate what I'm talking about, take a look at this example fiddle
If you enlarge the font size of the class .p within the div, you'll notice that the div's height also increases. Why does this happen?
The placement of the span within the div is determined by the font size, which sets the base line for the text.
Increasing the font size of the div increases the space above and below the base line. The size of the element is influenced by the content of the span inside, so only the area above the base line impacts the overall size. This results in the text being shifted downwards without any additional space created below it.
The div is not constrained by a fixed height.
As a result, the div will adjust its size based on the content it contains, such as the p element in this case.
If no height is defined, the default value will be height:auto.
The reason for this issue is the absence of the height property in the Stylesheets. By default, it is set to height: auto.
To solve this issue, make sure to specify the height of the div element. For an example, check out this demo.
When it comes to determining line height, the font size plays a critical role. To prevent the div from increasing in size due to changes in font size, you can specifically define the line-height property in CSS.
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