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The animation-fill-mode attribute is used to apply the style to the element when the animation does not play (when the animation is completed, or when the animation has a delay and does not start playing), that is, whether its animation effect is visible.
CSS3 animation-fill-mode property
Function:animation- The fill-mode attribute specifies whether the animation effect is visible before or after the animation is played.
Note: By default, CSS animation will not affect the element until the first keyframe is played, and will stop affecting the element after the last keyframe is completed. The animation-fill-mode property overrides this behavior.
Syntax:
animation-fill-mode : none | forwards | backwards | both;
none: Does not change the default behavior.
forwards: When the animation is completed, keep the last property value (defined in the last keyframe).
backwards: During the period of time specified by animation-delay, the start property value (defined in the first keyframe) is applied before the animation is displayed.
both: Both forward and backward fill modes are applied.
Note: Internet Explorer 9 and earlier versions do not support the animation-fill-mode attribute.
CSS3 animation-fill-mode attribute usage example
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <style> div { width:100px; height:100px; background:red; position:relative; animation:mymove 3s; animation-iteration-count:2; animation-fill-mode:forwards; /* Safari 和 Chrome */ -webkit-animation:mymove 3s; -webkit-animation-iteration-count:2; -webkit-animation-fill-mode:forwards; } @keyframes mymove { from {top:0px;} to {top:200px;} } @-webkit-keyframes mymove /* Safari 和 Chrome */ { from {top:0px;} to {top:200px;} } </style> </head> <body> <div></div> </body> </html>
Rendering:
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