::-webkit-meter-suboptimum-value - CSS: Cascading Style Sheets 编辑

Non-standard

This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The ::-webkit-meter-suboptimum-value pseudo-element gives a yellow color to the <meter> element when the value attribute falls outside of the low-high range.

Syntax

::-webkit-meter-suboptimum-value

Examples

This example will only work in browsers based on WebKit or Blink.

HTML

<meter min="0" max="10" value="6">Score out of 10</meter>

CSS

meter::-webkit-meter-suboptimum-value {
  background: -webkit-gradient linear, left top, left bottom;
  height: 100%;
  box-sizing: border-box;
}

Result

Specifications

Not part of any standard.

Browser compatibility

BCD tables only load in the browser

See also

The pseudo-elements used by WebKit/Blink to style other parts of a <meter> element are as follows:

• ::-webkit-meter-inner-element
• ::-webkit-meter-bar
• ::-webkit-meter-even-less-good-value
• ::-webkit-meter-optimum-value