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To allow users to resize the text (in the browser menu), many developers use em instead of pixels. 1em is equal to the current font size. The default text size in browsers is 16px. So, the default size of 1em is 16px. The size can be calculated from pixels to em using this formula: pixels /16= em.
W3Schools offers a wide range of services and products for beginners and professionals, helping millions of people everyday to learn and master new skills. Free Tutorials. Enjoy our free tutorials like millions of other internet users since 1999 ... Sets the font-size to a fixed size in px, cm, etc. Read about length units:
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If the font-size you want is 12px, then you should specify 0.75em (because 12/16 = 0.75). Similarly, if you want a font size of 10px, then specify 0.625em (10/16 = 0.625); for 22px, specify 1.375em (22/16). The em is a very useful unit in CSS since it automatically adapts its length relative to the font that the reader chooses to use.
The font-size property specifies the size, or height, of the font. font-size affects not only the font to which it is applied, but is also used to compute the value of em, rem, and ex length units. p { font-size: 20px; } font-size can accept keywords, length units, or percentages as values. It’s important to note however that when it’s ...
Sets the font-size to a smaller size than the parent element: Play it » ... W3Schools is optimized for learning, testing, and training. Examples might be simplified to improve reading and basic understanding. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. ...
The approach you use to change text size in internal and external CSS styling is similar, since you use a selector. The general syntax for this is: selector { font-size: value; } The selector can either be our HTML tag or maybe a class or an ID. For example: // HTML. <p> Any text whose font we want to change </p>.
W3Schools offers a wide range of services and products for beginners and professionals, ... It is also important to choose the correct color and text size for the font. Generic Font Families. In CSS there are five generic font families: Serif fonts have a small stroke at the edges of each letter. They create a sense of formality and elegance.
Description. font-style. CSS font-style property is implemented for making a font italic, normal, and oblique. font-family. CSS font-family property is implemented for transforming the face or look of your font. font-variant. CSS font-variant property is implemented for creating a small-caps effect to your font. font-weight.
body { font-size: 62.5%; } Then you can use em in the same sense as you would use pixels, except you divide by 10. For example: h1 { font-size: 1.4em; /* 14px */ } We learnt to use em for 'elastic' layouts. If you specify your font-size in em, the text will keep its proportions after a user zooms in or out.