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offset-rotate

The offset-rotate CSS property defines the orientation/direction of the element as it is positioned along the offset-path.

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Note: Early versions of the spec called this property motion-rotation.

Syntax

/* Follow the path direction, with optional additional angle */
offset-rotate: auto;
offset-rotate: auto 45deg;

/* Follow the path direction but facing the opposite direction of `auto` */
offset-rotate: reverse;

/* Keep a constant rotation regardless the position on the path */
offset-rotate: 90deg;
offset-rotate: 0.5turn;

/* Global values */
offset-rotate: inherit;
offset-rotate: initial;
offset-rotate: revert;
offset-rotate: revert-layer;
offset-rotate: unset;

auto: The element is rotated by the angle of the direction of the offset-path, relative to the positive x-axis. This is the default value.
<angle>: The element has a constant clockwise rotation transformation applied to it by the specified rotation angle.
auto <angle>: If auto is followed by an <angle>, the computed value of the angle is added to the computed value of auto.
reverse: The element is rotated similar to auto, except it faces the opposite direction. It is the same as specifying a value of auto 180deg.

Formal definition

Initial value	`auto`
Applies to	transformable elements
Inherited	no
Computed value	as specified
Animation type	as <angle>, <basic-shape> or <path()>

Formal syntax

offset-rotate = 
  [ auto | reverse ]  ||
  <angle>

Examples

Setting element orientation along its offset path

HTML

<div></div>
<div></div>
<div></div>

CSS

div {
  width: 40px;
  height: 40px;
  background: #2bc4a2;
  margin: 20px;
  clip-path: polygon(0% 0%, 70% 0%, 100% 50%, 70% 100%, 0% 100%, 30% 50%);
  animation: move 5000ms infinite alternate ease-in-out;

  offset-path: path("M20,20 C20,50 180,-10 180,20");
}
div:nth-child(1) {
  offset-rotate: auto;
}
div:nth-child(2) {
  offset-rotate: auto 90deg;
}
div:nth-child(3) {
  offset-rotate: 30deg;
}

@keyframes move {
  100% {
    offset-distance: 100%;
  }
}

Result

Specifications

Specification
Motion Path Module Level 1 # offset-rotate-property

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`offset-rotate`	565546	797979	72	No	434233	preview	565546	565546	No	434233	No	6.06.05.0