In CSS, font sizes can be specified using different units of measurement, including pixels (px), percentages (%), and rems (root ems).
-
Pixels (px): This is an absolute unit of measurement that defines the size of the font in pixels. Pixels are fixed units, meaning that they will always be the same size on any device, regardless of the screen size or resolution. For example,
font-size: 16px;sets the font size to 16 pixels. -
Percentages (%): This unit of measurement is relative to the font size of the parent element. For example,
font-size: 120%;sets the font size to 120% of the font size of the parent element. -
Rems (root ems): This is a relative unit of measurement that is based on the font size of the root element (usually the
<html>element). For example,font-size: 1rem;sets the font size to the same size as the font size of the root element, which is often set to 16 pixels by default. Using rems is recommended because it makes it easier to create scalable and responsive designs.
Percentages and rems are relative units of measurement in CSS, meaning they are based on the size of other elements or the root element, respectively.
Percentages are based on the font size of the parent element, while rems are based on the font size of the root element, which is usually set to a default value of 16 pixels.
Using relative units like percentages and rems can be beneficial because they allow for more flexible and responsive designs that can adapt to different screen sizes and resolutions.
<!DOCTYPE html>
<html>
<head><title>Title</title></head>
<link rel="stylesheet" type="text/css" href="mystyle.css">
<body>
<p>Lorem ipsum dolor sit amet,
consectetur adipiscing elit, sed do eiusmod tempor
incididunt ut labore et dolore magna aliqua. Ut enim ad
minim veniam.</p>
</div>
</div>
</body>
</html>
Our well known simple html example.
p {
width: 400px;
font-family: Arial;
font-size: 22px;
}
This CSS code sets the font family of all <p> elements to "Arial", the font size to 22 pixels, and the width to 400 pixels.
The font-family property sets the font family of the text, in this case to "Arial". The font-size property sets the size of the font to 22 pixels. The width property sets the width of the element to 400 pixels.
Together, these properties define the style of the text within the <p> element, specifying its font family, size, and width.
p {
width: 400px;
font-family: Arial;
font-size: 22px;
font-variant: small-caps;
}
This CSS code sets the font size of the text to 22 pixels and applies the small-caps font variant.
The font-size property sets the size of the font to 22 pixels. The font-variant property applies the small-caps font variant to the text, which causes all lowercase letters to be rendered as small capitals.
Together, these properties define the style of the text, specifying its size and font variant.
There are several possible font variants that can be applied to text using CSS:
-
normal: The default value that specifies a normal font face. -
small-caps: This variant causes all lowercase letters to be rendered as small capitals. -
all-small-caps: This variant causes all letters to be rendered as small capitals. -
petite-caps: This variant causes all lowercase letters to be rendered as smaller capital letters. -
all-petite-caps: This variant causes all letters to be rendered as smaller capital letters. -
unicase: This variant is a mix of uppercase and lowercase letters in a single set of characters. -
titling-caps: This variant is designed for use in titles and causes all letters to be rendered as capital letters, with some letters being enlarged for emphasis.
These font variants can be applied using the font-variant property in CSS.
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