Note that using clamp() for font sizes, as in these examples, allows you to set a font-size that grows with the size of the viewport, but doesn't go below a minimum font-size or above a maximum font-size. It has the same effect as the code in Fluid Typography but in one line, and without the use of media queries.
Volkswagen Headline Font Size
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The element's font-size is set as max(1.2rem, 1.2vw). This means that the font-size will be set at 1.2rem, unless the computed value of 1.2vw is greater than that of 1.2rem, in which case it will be set to that value instead. max() allows you set a minimum value, which in cases like this is useful for accessibility purposes.
The element's font-size is set as clamp(1.8rem, 2.5vw, 2.8rem). This means that the font-size will be set at 1.8rem, until the computed value of 2.5vw becomes greater than that of 1.8rem. At this point, font-size will be set at 2.5vw, until 2.5vw's computed value becomes greater than that of 2.8rem. At this point, the font-size will be set at 2.8rem. clamp() allows you to set a minimum and maximum value.
font-size is the CSS property that controls the size of text on a webpage. There are several values you can use to define the font-size property. The example below includes different values and units you can use in CSS. The one you choose will depend on the needs and goals of your site.
Absolute-size keywords are based on the default font size. Most commonly, the default font size is medium (which translates to 16 pixels or 1 em) though it can differ by browser and font family. Note that in HTML the default font size is 16 pixels.
Using pixels (px) as your length lets you set fontsize with precision, regardless of the browser a visitor is using. It specifies exactly the number of pixels in height that you want a browser to render your text.
The em unit sets the font size relative to the font size of the parent element. So, giving text a font-size of 2em will make this text twice the size of its surrounding text.
The only drawback is that ems compound. So, say a element with a font size of 2em contains another element. The nested element would be twice the size, or 4em. See the code below.
There are also keyword values which are a bit of a mix of the relative and absolute. medium is the default (equal to 1rem), then small large x-large xx-large etc. are all relative to that. Then smaller and larger will adjust relative to the parent font size.
em units are equal to the current font size, the name comes from the width of an uppercase M. So if you have a font-size:16px set then 1em would be equal to 16px. If you were then to change that to font-size: 20px for a heading, 1em would be equal to 20px.
This root font size can be changed by the user, this is done in the email clients, browser or operating system preferences. So if someone finds small text hard to read they can make it larger in the user settings and it will apply across the whole email.
* Samsung sets a minimum font-size of 17px so these values of 16px only work when used to generate font-size greater than or wqual to 17px. When used for other setting such as padding, margin, etc. there is no minimum size.
Edit - February 2022: On a previous version of this article I use rem units and an extra fallback to 16px font-size:16px;font-size:1rem; font-size:max(16px, 1rem) but later found font-size:medium has better support.
line-height is probably the most important as that should be relative to the font-size for that you can use em (also % works exactly the same) or unitless values are similar except they also inherit as relative, where em and % inherit as fixed value..
For media queries, if your breakpoints are defined by how the content breaks, then consider how font-size may affect that and if using em would work better than px, although be aware of the potential media queries issue which can clash with out minimum font-size reset.
Another good example if we have an email with a highlighted section where we want to increase the font-size. We can use the same module we have for other sections but just wrap it with font-size:1.5em and it will increase all the sizes of that section with just a tiny bit of code. The same could be done on a footer where we might want a small font, we can just use font-size: 0.8em and it will reduce the sizes of that section.
Quite a few blocks have support for font size controls in the editor (July 2022, Gutenberg 13.7):Button, code, comment author name, comment content, comment date, comment edit link, comment reply link, comments pagination, comments title, group, heading, list, navigation, paragraph, post author, post author name, post comments count, post comments form, post comments link, post date, post excerpt, post navigation link, post terms, post title, preformatted, pull quote, query pagination, query title, quote, read more, site tagline, site title, table, term description, verse.
Place your font size array inside settings.blocks.blockname.typography.fontSizesto make the size available for a specific block. This way, you can limit which font sizes that are selectable for that block:
With this feature, you create typography sets that you can then pull from other Global and Element options. A typography set includes the Font Family, a backup font, the variant, the font size, line height, letter spacing, and text transform. There are five default sets, Headings, Subheadings, Lead, Body, and Small, but you can rename these and create new sets as needed.
The CSS font-size property sets the font size of any text element on your page or website. The font-size property can be applied to any class, ID, or element that includes text content. The property accepts values in px, em, rem, vw, vh, and using keywords.
Most developers use a combination of different font sizes to style a web page. For instance, a web developer may use a large font for headings, and a smaller font for body text and others. So many ask: how do you change the font size in CSS or HTML?
There are many CSS styles for fonts that can be used to customize how text appears, like font-weight , font-family , text-decoration , and color . Another important property is font-size, which controls the size of a font in a block of text.
However, using pixels to set the size of a font in a block of text does have one limitation: accessibility. Font sizes defined using pixels are not accessible because some browsers do not allow users to customize the font size. Visually impaired users, for example, may struggle to use a site that uses pixels to define font sizes.
If you have not set a font size for a parent element, the browser will use the default value specified for that browser. This is usually 16px . As a result, if you have not specified any font sizes, 1em is by default 16px , 2em is by default 32px .
Suppose the font size of our web page is 16px . We want all paragraphs of text to appear using that font size, which means we should use the value 1em . Also, we want all of our headings to appear with a font size of 24px , which is equal to 1.5em .
Suppose we have a web page with the default font size of 16px . Like in our previous example, we want all s to appear in 24px and all paragraphs to appear in 16px . We could set these font sizes using the following code:
Relative keywords, on the other hand, set a font size that will change depending on the font sizing elsewhere on the web page. The relative keywords you can use are: smaller and larger. These keywords are useful because they allow you to change the size of your fonts as other font sizes on the page change.
Using viewport units is useful because the size of your fonts will change as you resize the browser window. This, in turn, allows you to deliver a more accessible user experience adaptive to different browser and device sizes.
The font-size property is used in CSS (and therefore HTML) to change the size of fonts. It accepts a number of units of measurement in which font sizes can be displayed, including pixels, em, rem, keywords, and viewport units. It can be applied to CSS classes and IDs , as well as to elements themselves.
A modular type scale consists of a baseline font size and proportionally smaller and larger font sizes. Traditionally, design systems used static type scales, where each step has a fixed font size at every viewport width.
By contrast, in a fluid type scale, each modular step has a minimum, maximum, and variable font size. We can leverage CSS clamp and viewport width (vw) units to generate a set of font size variables that scale linearly between their minimum and maximum sizes, with mathematical precision.
The font size can be set with vw (viewport) unit, which means the viewport width. The viewport is the browser window size. 1vw = 1% of viewport width. If the viewport is 50cm wide, 1vw is 0.5cm. That way the font size will follow the size of the browser window.Syntax: 2ff7e9595c
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