inset

The inset CSS property is shorthand for inset-block and inset-inline.

inset: value;

object.style.inset = "value";

<'inset'> = <'top'>{1,4}

<'top'> = auto | <length-percentage>

auto

Automatically specified by the user agent.

<length-percentage> = [ <length> | <percentage> ]

<length>

Specifies the length using a number followed by a unit of measurement.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

auto

<!doctype html>
<html>
<head>
    <style>
        div {
            background-color: black;
            height: 200px;
            position: relative;
            width: 200px;
        }
        p {
            background-color: yellow;
            margin: 0;
            position: absolute;
        }
        p:nth-child(2) {
            background-color: rgba(255, 0, 0, 0.5);
            writing-mode: vertical-lr;
        }
    </style>
    <script>
        function mouseover(value) {
            var elements = document.getElementsByTagName("p");
            for (var i = 0; i < elements.length; ++i) {
                elements[i].style.inset = value;
            }
        }
    </script>
</head>
<body>
    <input onmouseover="mouseover(value)" type="button" value="auto">
    <button onmouseover="mouseover(value)" value="40px 30px 20px 10px">length</button>
    <button onmouseover="mouseover(value)" value="40% 30% 20% 10%">percentage</button>
    <div>
        <p>inset</p>
        <p>inset</p>
    </div>
</body>
</html>

World Wide Web Consortium (W3C)

Syntax

CSS

JS

Values

Initial

Examples

auto

length

percentage

JS

Links

Internal

External