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1.4 KiB
1.4 KiB
Calc()
The function calc() allows to define CSS values with the use of mathematical expressions, the value adopted for the property is the result of a mathematical expression.
HTML
<div class="box-example"></div>
CSS
.box-example {
height: 280px;
background: #222 url('https://image.ibb.co/fUL9nS/wolf.png') no-repeat;
background-position: calc(100% - 20px) calc(100% - 20px);
}
Demo
If you want to align a background-image from right and bottom wasn't possible with just straight length values. So now it's possible using calc():
Background-image in the right/bottom
Explanation
- It allows addition, subtraction, multiplication and division.
- Can use different units (pixel and percent together, for example) for each value in your expression.
- It is permitted to nest calc() functions.
- It can be used in any property that
<length>,<frequency>,<angle>,<time>,<number>,<color>, or<integer>is allowed, like width, height, font-size, top, left, etc.