CSS animation-timing-function Property Last Updated : 23 Aug, 2024 Summarize Comments Improve Suggest changes Share Like Article Like Report The animation-timing-function property in CSS is used to specify how an animation makes transitions through keyframes. It defines the speed curve of the animation, determining how the intermediate keyframes are calculated and the pacing of the animation. Syntax: animation-timing-function: linear | ease | ease-in | ease-out | ease-in-out | step-start | step-end | steps(int, start | end) | cubic-bezier(n, n, n, n) | initial | inherit; Property ValueValueDescriptioneaseThe animation starts slowly, speeds up, and then slows down (default).linearThe animation maintains the same speed from start to end.ease-inThe animation begins slowly and then speeds up.ease-outThe animation plays at normal speed but slows down at the end.ease-in-outThe animation starts slowly, speeds up, and then slows down again.step-startThe animation jumps immediately to the end state at the start of the keyframe animation.step-endThe animation jumps to the end state at the end of the keyframe animation.steps()Specifies a stepping function with the number of steps and the position of the start or end (e.g., steps(4, end)).cubic-bezier()Defines a custom timing function using a cubic-bezier curve (e.g., cubic-bezier(0.25, 0.1, 0.25, 1.0)).initialSets the property to its default value.inheritInherits the property from its parent element. Example: HTML Program to illustrate the above property values for the animation-timing-function property. HTML <!DOCTYPE html> <html> <head> <title> CSS | animation-timing-function Property </title> <style> .geeks { font-size: 40px; text-align: center; font-weight: bold; color: #090; padding-bottom: 5px; font-family: Times New Roman; } .geeks1 { font-size: 17px; font-weight: bold; text-align: center; font-family: Times New Roman; } h2 { width: 350px; animation-name: text; animation-duration: 4s; animation-iteration-count: infinite; background-color: rgb(255, 210, 85); } #one { animation-timing-function: ease; } #two { animation-timing-function: linear; } #three { animation-timing-function: ease-in; } #four { animation-timing-function: ease-out; } #five { animation-timing-function: ease-in-out; } @keyframes text { from { margin-left: 60%; } to { margin-left: 0%; } } </style> </head> <body> <div class="geeks"> GeeksforGeeks </div> <div class="geeks1"> A computer science portal for geeks </div> <!-- For this the animation-timing-function will be set to ease --> <h2 id="one"> This text is ease. </h2> <!-- For this animation-timing-function will be set to linear --> <h2 id="two"> This text is linear. </h2> <!-- For this animation-timing-function will be set to ease-in --> <h2 id="three"> This text is ease-in. </h2> <!-- For this animation-timing-function will be set to ease-out --> <h2 id="four"> This text is ease-out. </h2> <!-- For this animation-timing-function will be set to ease-in-out --> <h2 id="five"> This text is ease-in-out. </h2> </body> </html> Output: The animation-timing-function property in CSS is essential for defining the pacing and speed curve of animations. By understanding and using different timing functions, you can create smooth and engaging animations for your web projects Supported Browser: The browser supported by animation-timing-function property are listed below: Google Chrome 43.0 and above Edge 12.0 and above Firefox 16.0 and above Opera 30.0 and above Safari 9.0 and above Comment More infoAdvertise with us V vt_m Follow Improve Article Tags : Web Technologies CSS CSS-Properties Similar Reads CSS Tutorial CSS stands for Cascading Style Sheets. It is a stylesheet language used to style and enhance website presentation. 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