This property defines the length of time that an animation takes to complete one cycle. Negative values are invalid. The initial/default value is '0s' meaning it takes no time.
Values for "animation-duration"
- So that animations work in major browsers, be sure to use the "animation-duration" property and the equivalent proprietary properties like "-moz-animation-duration", "-o-animation-duration", and "-webkit-animation-duration" ("-ms-animation-duration" is not needed).
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