How do I use REM in CSS?
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How do I use REM in CSS?
Gain an in-depth understanding of rem units in CSS, a relative sizing unit with excellent browser support, and learn how to use them effectively….Font Sizing with Rem Units
- 10px = 0.625rem.
- 12px = 0.75rem.
- 14px = 0.875rem.
- 16px = 1rem (base)
- 18px = 1.125rem.
- 20px = 1.25rem.
- 24px = 1.5rem.
- 30px = 1.875rem.
Why do we use REM in CSS?
The most obvious use for rem is replacing em to protect inner element font sizes from being changed by outer elements, thus avoiding the classic nested em scaling problem. So, all references to rem will return the same value, regardless of ancestor font size. In effect, rem is a document-wide CSS variable.
How do you use REM or em?
Hope you got a clear difference between the em and the rem units. It is very easy to remember, r in rem indicates root, is relative to the root (HTML) and em is relative to the parent….
| Parameter | em | rem |
|---|---|---|
| Relativity | em is relative to the font-size of its direct or nearest parent | rem is relative to the HTML (root) font-size |
How do you define REM?
rem values are relative to the root html element, not to the parent element. That is, If font-size of the root element is 16px then 1 rem = 16px for all elements. If font-size is not explicitly defined in root element then 1rem will be equal to the default font-size provided by the browser (usually 16px).
What do you use rem for?
Use EM where you have to make more scaling than the root font size. And use REM where you need value according to the root there you can use REM units. This can help with many factors and reduce your code in responsive. You will save time and energy for better health for the project.
Is rem responsive CSS?
By using rem CSS units, components will change size when the root font size changes, giving developers another method of responsive design. The CSS unit “rem” stands for “root em.” The scale of a rem is dependent on the root html font size.
Is REM responsive CSS?
What Is REM in bootstrap?
What is Rem? It stands for “Root em”. It is a relative unit of CSS and translated by the browser to pixels (px). When rem is used on the font-size in the root element, it represents its initial value. If we set the font-size:16px of the root element, then font-size of paragraph will be 1rem.
What is the difference between REM and EM in CSS?
Both rem and em are scalable units of size, but with em , the unit is relative to the font size of its parent element, while rem unit is only relative to root font size of the HTML document.