Burdock - 11 months ago 62

Javascript Question

I would like to make some compound

`style`

`height:100%-10px;`

Is there some way to do this with

`CSS`

Or do you have to use

`JavaScript`

If so can you post your suggestions?

Answer Source

You would use ** calc()**.

```
height: calc(100% - 10px);
```

w3.org

8.1. Mathematical Expressions: ‘calc()’The calc() function allows mathematical expressions with addition (‘+’), subtraction (‘-’), multiplication (‘*’), and division (‘/’) to be used as component values. The ‘calc()’ expression represents the result of the mathematical calculation it contains, using standard operator precedence rules. It can be used wherever , , , , , or values are allowed. Components of a ‘calc()’ expression can be literal values, ‘attr()’ or ‘calc()’ expressions, or values that resolve to one of the preceding types.