Css animation timing function steps. /* @keyframes duration | timing-function | delay |. Css animation timing function steps

 
 /* @keyframes duration | timing-function | delay |Css animation timing function steps  애니메이션의 총 시간과 반복 여부등을 지정할 수 있습니다

The second hand of a watch is a good example: taking one minute to move around the watch dial, we can subdivide the motion of the second hand into 60 steps, which creates the example you see above. Ease-out The animation starts fast and decreases its speed over the period of time — a bit like the ball rolling across the floor. As an individual value, steps() is associated with the animation-timing. As mentioned, if you don’t like the out-of-the-box ease timing function,. The speed curve defines the TIME an animation uses to change from one set of CSS styles to another. Those of you who have dabbled with animation such as animated GIFs, Adobe AfterEffects and Blender, etc. 25, . A timing function in CSS is usually referred to easing functions. The animation property allows you to change the properties of an element over a specific duration, while transition defines how an element changes over a specific duration. 애니메이션을 적용하려면 애니메이션 이름을 반드시 설정해야 하지만, animation 축약의 모든 값은 선택 사항이며, 각 animation 구성 요소의 초기 값이 기본값입니다. Within a keyframe, animation-timing-function is an at-rule-specific. In CSS, we use the animation-timing-function property to apply easing to an element's animation. Web technology reference for developers. Use the transition-timing-function property to vary the speed of a CSS transition over the course of the transition-duration. animation-timing-function: step-end; The animation stays at the initial state until the end, when it instantly jumps to the final state. We have the following timing functions. easeinout {animation-timing-function: ease-in-out;}. CSS animations are a powerful way to add dynamic and engaging elements to your web pages. Animation-timing-function, step 2. An element with animation-timing-function set to ease-out. The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. The animation is done by rotating the string from 45 deg like so : . Within a keyframe, animation-timing-function is an at-rule. First, you have to select 4 coordinates for constructing the cubic Bezier starting and ending points. CSS vs JavaScript animations. #. This lets you establish an acceleration curve, so that the speed of the animation can vary over its duration. The object travels the same distance at the same time. <easing-function> Each <easing-function> represents the easing function to link to the corresponding property to transition, as defined in transition-property. css. In CSS, we can control this with the animation-timing-function property:-webkit-animation-timing-function: ease-out; This property takes the following values: ease-inSlow at the beginning, and then speeds up. Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself. Verás que la animación. The common ones are ease-in, ease-out, ease-in-out, ease, and linear, or you can specify your own using cubic-bezier(). This, in essence, lets you establish an acceleration curve so that the speed of the transition can vary over its duration. Click on the RERUN button in the above demo to see the animation. . Easing functions may be specified on individual keyframes in a @keyframes rule. Overview / Web Technology. It allows for a transition to change speed over its duration. Because CSS animations use keyframes, you can set a linear timing function and simulate a specific cubic bezier curve. 这样就实现了延时1s,一共0. Ceci permet donc de définir une courbe d'accelération, de manière à ce que la vitesse de la transition varie au cours de sa durée. This does not configure the actual appearance of the animation, which is done using the @keyframes at-rule. These functions are often called easing functions. Structure of content on the web. Created & maintained by @Fyrd, design by @Lensco. If the result is not satisfactory, you can fine tune it easily by changing the. For an example, in none shorthand writing :. This is. The example of an equalizer in this post is a practical application but there. The animation is set paused at the first keyframe. Skip to main content; Skip to search; Skip to select language. The animation-timing. This gives more control over the intermediate steps of the animation sequence than transitions. transition-property. . The number of steps to perform is denoted by “x” while jump_term denotes how to divide these steps between 0% to 100% of the CSS transition. 5s makes the animation last 1. The time. This is different than having either no animation-duration or animation-name at all. Code used to describe document style. It is a. Syntax: animation-timing-function: linear | ease | ease-in | ease-out | ease-in-out |step-start | step-end| steps(int, start | end) | cubic-bezier. Animasi CSS tidak memengaruhi elemen sebelum keyframe pertama dimainkan atau setelah keyframe terakhir dimainkan. CSSを学び始めた方へ; animationプロパティについて学びたい方へ; 今回はanimation-timing-functionでアニメーションの変化についての解説になります。; 今回は、animationに関する記事になります。 animation-timing-functionとは、アニメーションの変化(速度)のスタイルを指定します。Put all your images in one sprite by creating a line of frames that preserves the images’ order, i. In the following example, users with prefers-reduced-motion flag set will be displayed an animation where seconds arm ticks every five seconds. These functions describe the transition from one state to another. In a CSS animation, you can specify your timing function as part of the shorthand animation property, or by setting the animation-timing-function property directly. The speed curve defines the TIME an animation uses to change from one set of CSS styles to another. steps() is a timing function that allows us to break an animation or transition into segments, rather than one continuous transition from one state to another. The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. Every one second, the element will move 10px to the left and 10px down, until the end of the animation, and then again in reverse forever. Code used to describe document style. CSS transitions let you decide which properties to animate (by listing them explicitly), when the animation will start (by setting a delay), how long the transition will last (by setting a duration), and how the transition will run (by defining a timing function, e. Smoother. HTTP. Rocket to the launch pad,. For CSS scroll-driven animations, auto fills the entire timeline with the animation. png') left center; } Next, we need to create a keyframe rule that animates the background position. The animation-timing-function property in CSS is used to specify how the animation makes transitions through keyframes. I have an animation in CSS that spins an image around its centre. CSS Code: #myDIV { animation-timing-function: linear;} Click the property values above to see the result. ease. We can easily make the animation much more accessible by changing the animation timing function to steps. Easing functions may be specified on individual keyframes in a @keyframes rule. transition-timing-function: steps (4, end); By using steps () with an integer, you can define a specific number of steps before reaching the end. 2. Click on the RERUN button in the above demo to see the animation. 8v2. Steps are defined as a number of steps and a keyword. ) each represent cubic Bézier curve with fixed four point values, with the cubic-bezier() function value allowing for a non-predefined value. CSS /* Keyword values */ animation-timing-function: ease; animation-timing-function: ease-in; animation-timing-function: ease-out; animation-timing-function: ease-in-out;. Here's one way to do it that we feel is stable and. 0, 0. The animation-timing-function sets the animation speed curve. Animated pendulum effect. animation-timing-function. The animation-timing-function property can have the following values: ease - Specifies an animation with a slow start, then fast,. animation-timing-function使用了三次贝塞尔(Cubic Bezier)函数生成速度曲线,可以让我们的动画产生平滑的过渡。. The values the animation-timing-function property accepts are: ease: Starts the animation slowly. I always thought that. animation. It can assume the following values: ease - (default) starts slowly, then becomes faster, and ends slowly. cb {animation-timing-function: cubic-bezier (0. It is a shorthand for animation-name, animation-duration, animation-timing-function, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode, animation-play-state, and animation-timeline. ease-inanimation-timing-function 除了上面的几种常用方式之外,还有个一实用的函数,steps(number_of_steps, direction),这个函数叫做阶梯函数[email protected] steps() timing function is unique to CSS and can be used to create some interesting effects. Hover me. e. Step 3: Add the Magic. That might not be the clearest explanation, but the syntax might help clarify. The syntax of steps is as follows: animation-timing-function: steps (steps_number, direction); It’s all very simple: the number of steps is an integer. In other words, t is the same as animation progress. css. The typewriter effect relies on the CSS step() timing function and animation-fill-mode: forwards. The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. 16. CSS Animations Level 1 <easing-function> # <animation-name> 설정 수에 따라 하나 이상의 <easing-function>을 콤마로 구분해서 작성할 수 있다. The speed curve defines the TIME an animation uses to change from one set of CSS styles to another. It allows us to control the animation to move gradually. Description. The animation-iteration-count property specifies the iteration count of the animation’s associated. 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 animation-fill-modeanimation-timing-function 상속. I'm using keyframes and an animation-timing-function of steps(3). このプロパティは、簡単に言えば加速曲線を定義するもので、それによりトランジション実行中の値の変更速度を操作することができます。. W3Schools. Since the timing of the animation is defined in the CSS style that configures the animation, keyframes use a <percentage> to indicate the time during the animation sequence at which they take place. This function. the “animation-timing-function” works on. Easing functions may be specified on individual keyframes in a @keyframes rule. It appears as if the element bounces off the left side. gl/ZL0SVd. On the other hand the steps() function allow you to specify the number of steps the animation should take. ease-in-out - starts slowly and ends slowly. These functions describe the transition from one state to another. 1,1) . When multiple animations are added on an element, they start at the same time by default. CSS3のanimation-timing-function: steps(n) が便利なのでGifアニメやJSを使用したPNGシーケンスはもう使わないようにしたいな、という話です。 例えば. Because of this, both the laydown and falling animations start at the same time but the laydown animation actually completes. These effects are commonly called easing functions. Summary. Delay and timing are simple to adjust. steps(n, start/end) steps 指定了 animation-timing-function 为一个阶跃函数。. inherit. The second time value is the transition-delay. The easing functions in the cubic-bezier subset of easing functions are often called "smooth" easing functions,. Follow these simple steps to get the best results with this tool. js file. See this codepen to understand the different timing functions visually: 1. CSS 애니메이션을 만드려면 animation 속성과 이 속성의 하위 속성을 지정합니다. Its default resets on each cycle. So, for our new animation, the utility class should look something like this:. animation-timing-function: steps(30, end) makes the animation play in a stepwise manner, instead of smoothly. Description. animation动画除了可以实现补间动画外,还可以完成逐帧动画。 在animation的属性中,有个属性animation-timing-function一共具有如下这些值. In the transition shorthand, the first <time> value is the transition-duration. css animation issue with steps. General-purpose scripting language. The speed curve is used to make the changes smoothly. These functions are often called easing functions. Easings and the steps() function # First, let’s take a step back and discuss what easings even are and what the steps() function allows us to do. ease-out - starts quickly, but slows down at the end. Delay and timing are simple to adjust. The number of steps to perform is denoted by “x” while jump_term denotes how to divide these steps between 0% to 100% of the CSS transition. animation-timing-function: step-start: @easing:step-end: animation-timing-function: step-end: @easing:steps(stop,direction)Learn how Animations works in CSS. Chuyển động ban đầu sẽ chậm, sau đó nhanh, đến lúc kết thúc sẽ. Instead of having property changes take effect immediately, you can cause the changes in a property to take place over a period of time. I'm trying to get the animation to scale up and down in a bouncy way using the animation timing function. Event transitionend. It is a. The non-step keyword values (ease, linear, ease-in-out, etc. The easing functions in the cubic-bezier subset of easing functions are often called "smooth" easing functions,. A negative value will begin the transition effect immediately, and partway through the effect. ease-in. For example, using CSS animation: animation: moveRight 5 s 1 s steps (5, start);animation-timing-functionプロパティの概要. We don't get a single ease for the entire animation. . linear: The easing curve for an animation that starts and ends at the same speed. Using the example below, the. 默认值为 end 。. animationTimingFunction is a CSS3 (1999) feature. Web technology reference for developers. This in essence lets you establish an acceleration curve, so that the speed of the animation can vary over its duration. ; Step 2 - If you want to customize the timing function, click and drag the two black-shaped square points inside the squared bordered canvas area. my-element { animation-timing-function: steps(10, end); } The first argument is how many steps. The second time value is the transition-delay. Animation-timing-function, step 2. In this video, learn how to use the steps() timing function to create a sprite animation with CSS. Here’s a way to express that using CSS custom properties: background: linear-gradient(90deg, #ff9800 var(--stop, 0%), #3c3c3c 0);Step 1: Define your animation's keyframes. The very best example that shows how the steps() works would be the second hand of an analog clock; the clocks second hand does not move continuously, instead its movements are split. The input progress value used is the percentage of the time elapsed between the current keyframe and the next keyframe after incorporating the effect of the animation-direction property. The animation CSS property is a shorthand property for the various animation properties: animation-name, animation-duration, animation-timing-function, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode, and animation-play-state. The single-transition-timing-function CSS data type denotes a mathematical function that describes how fast one-dimensional values change during transitions or animations. You can use the properties in the animations module to control the duration,. The animation shorthand CSS property applies an animation between styles. cubic-bezier (0. It allows you to set «steps» that your. I want to be able to change animation-timing-function and -webkit-animation-timing-function etc. animation-timing-function: steps(3, jump-start); Example. The. Replicating the Second Hand of a Clock. The points P 0 and P 3, which represent the start and end of the animation cycle, are always set to (0,0) and (1,1) repectively. In the transition shorthand, the first <time> value is the transition-duration. The problem is actually not with the order of the animations but because of how multiple animations on pme element works. Ask Question Asked 8 years, 2 months ago. hiding { animation. 2s; -webkit-animation-timing-function: steps(3,end), ease-in; animation-timing-function: steps(3,end), ease-in; } ! JS JS Options. Among the various techniques available in CSS animations, @keyframes and animation-timing-function play crucial roles in defining. ease-in-out - starts slowly and ends slowly. Timing Functions in CSS Animations. By using steps() we can force a CSS animation to “tick”. The state of the element will not vary. ) correspondent à une courbe de Bézier cubique fixe avec quatre valeurs prédéfinies; La fonction cubic-bezier() permet de paramétrer une courbe spécifique. 複数. It is a shorthand for animation-name, animation-duration, animation-timing-function, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode, animation-play-state, and animation-timeline. Moreover, the CSS step() function will break the animation into segments; in this case, it’s the text that will be broken into segments. you can see, the leading and trailing animations use the smooth and bouncy cubic-bezier() timing-function defined in the base CSS definition; but, the middle animation uses the discrete, step-based animation defined directly within the 40% mile-marker of the @keyframes. At the end of this tutorial, you’ll understand how to create an animation that uses both a fan-out and a bounce effect. This function. Within a keyframe, animation-timing-function is an at-rule. CSS animations 使 CSS style configuration 的轉變變得可行。. This animates three interim steps that occur between the start and end points: transition-timing-function : steps(5); The transitionend eventTiming function, like CSS-property transition-timing-function that gets the fraction of time that passed (0 at start, 1 at the end) and returns the animation completion (like y on the Bezier curve). hiding { animation. If no animation-timing-function is specified on a keyframe, the corresponding value of animation-timing-function from the element to which the animation is applied is used for that keyframe. To add more animations, you can follow the same steps:. move { animation: move 10s steps (10) infinite alternate; } The math works out nicely there. The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. Es decir, se usa para especificar el movimiento de la animación durante las transiciones. You can use the properties in the animations module to control the duration,. -webkit-animation-iteration-count: 1, infinity; -webkit-animation-timing-function: ease-in, linear; the former does not work btw. The steps() timing function is unique to CSS and can be used to create some interesting effects. The CSS animations module lets you animate the values of CSS properties, such as background-position and transform, over time by using keyframes. If the animation is paused, the style applied is that of the first keyframe, and not the default style. Using this timing function, the animation jumps immediately to the end state and stay in that position until the end of the animation. @keyframes에서는 애니메이션의 스타일을 구체적으로 제어 할 수 있습니다. Code used to describe document style. For an example, in none shorthand writing :. Within a keyframe, animation-timing-function is an at-rule. steps()函数原型为. Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself. <easing-function> は CSS のデータ型で、数値が変化する速度を記述する数学的な関数を表します。 この 2 つの値の間の遷移は様々な形で適用される可能性があります。アニメーション中に値が変化する速さを記述するために使用されることがあります。You can also link to another Pen here (use the . The animation-timing-function specifies the speed curve of an animation. transition-timing-function. 2. Web technology reference for developers. 2. I have a div where I'm animating the width from 0 to 100% in 3 steps. To create a CSS animation sequence, you style the element you want to animate with the animation property or its sub-properties. CSS. g 2, 3; A timing function value between step-start and step-end specified by eliminating the step-prefix. I can hear you asking “What the hell does it even mean?”, let me show you an example. In other words, t is the same as animation progress. For a keyframed animation, the animation-timing-function applies between keyframes, not over the entire animation. They allow you to create smooth and visually appealing transitions between different states of an element. /* @keyframes duration | timing-function | delay |. CSS transition-timing-function -- the best examples. Interesting animations can be created with CSS3 by using transforms and transitions. 25, 1. animation-timing-function: ease-in-out; } #fnc6 { /* function for sixth block */ -webkit-animation-timing-function: step-start; animation-timing-function: step-start; } #. To control an element's transition-timing-function at a specific breakpoint, add a {screen}: prefix to any existing transition-timing-function utility. Without a transition, an element being transformed would change abruptly from one state to another. A new way to define an easing in CSS is with linear(). タイミング関数は @keyframes ルール内にあるそれぞれのキーフレームに指定されることがあります。. ) each represent cubic Bézier curve with fixed four point values, with the cubic-bezier() function value allowing for a non-predefined value. キーフレームに animation-timing-function が指定されていない場合、そのキーフレームにはアニメーションが適用された要素から animation-timing-function の適切な値が. Is a strictly positive <integer>, representing the amount of equidistant treads composing the stepping function. The value must be positive or zero and the unit is required. The value must be positive or zero and the unit is required. animation-timing-function: steps (4, end); By using steps () with an integer, you can define a specific number of steps before reaching the end. The first parameter specifies the number of intervals in the function. Description . It allows you to set «steps» that your animation will follow. Description. In this video, learn how to use the steps() timing function to create a sprite animation with CSS. If no animation-timing-function is specified on a keyframe, the corresponding value of animation-timing-function from the element to which the animation is applied is used for that keyframe. -webkit-animation-iteration-count: 1, infinity; -webkit-animation-timing-function: ease-in, linear; the former does not work btw. The animation-timing-function property can have the following values: ease - Specifies an animation with a slow start, then fast,. alternate The animation reverses direction each cycle, with the first iteration being. . <easing-function> Each <easing-function> represents the easing function to link to the corresponding property to transition, as defined in transition-property. It accepts two parameters: The number of steps e. timing-function$ • animation-delay:T henumberofsecondstodelaythe. 2. Resumen. Description. css property: animation-timing-function. Examples would be rotating, moving, skewing, and scaling elements. ease-out: Starts off quickly then decreasing speed until. I searched the same thing as you actually. The ‘transition-timing-function’ property describes how the intermediate values used during a transition will be calculated. Chuyển động sẽ cùng tốc độ từ lúc bắt đầu tới lúc kết thúc. . Handling acceleration and deceleration of animated transitions. The animation-timeline CSS property specifies the timeline that is used to control the progress of a CSS animation. The steps() timing function 4m 44s Challenge: Adding. Equivalent to steps(1, start) step-end: Equivalent to steps(1, end) steps(int,start|end) Specifies a stepping function, with two parameters. I've tried. References References. Now, have a look at an example of giving stepping function as value to the animation-timing-function property. where along the timeline an animation will start. The first parameter specifies the number of intervals in the function. Try it This, in. css URL Extension) and we'll pull the CSS from that Pen and include it. We include two <time> values. For example, use md:ease-in-out to apply the ease-in-out utility at only medium screen sizes and above. The animation-timing-function CSS property sets how an animation progresses through the duration of each cycle. プロパティ. initial. The animation-iteration-count property. animation-timing-function: linear (0, 0. The <timing-function> CSS data type denotes a mathematical function that describes how fast one-dimensional values change during transitions or animations. 其中ease是animation-timing-function的默认值。. Let’s first add the keyframes that will rotate the Second Hand for 360 degrees; the rotation will start at 90 degrees (or at 12 o’clock). transition-duration accepts time units, either in seconds (s) or milliseconds (ms) and defaults to 0s. animation은 실행할 애니메이션 속성을 지정하는 단계였다면. animation-timing-functionの設定方法. In this example, the square is visible by default, but the on the first keyframe of. This lets you establish an acceleration curve, so that the speed of the animation can vary over its duration. The time that an animation takes to complete one cycle. config. animation-direction: sets the direction of the animation after the cycle. As an example of how the before flag affects the behavior of this function, consider an animation with a step easing function whose step position is start and which has a positive delay and backwards fill. 25, 1); The curve for. This seems to be sort of a "grey" area (pun intended) with respect to the steps() timing function for animations. You may specify multiple easing functions; each one will be applied to the corresponding property as specified by. The by attribute is used to specify a relative offset for the animation. Here are some more animation forms: ease-in, ease-out and ease-in-out. I want to be able to change animation-timing-function and -webkit-animation-timing-function etc. Each stop is a single number that ranges from 0 to 1. Here's where I'm looking for advice: I'm trying to make each text element remain for 10 seconds before switching to the next, instead of the 1 second interval I've got right now. I have an animation in CSS that spins an image around its centre. In this playground, both spinners complete 1 full rotation in 2 seconds. The animation shorthand CSS property applies an animation between styles. It takes the same values as defined in the “translation-timing-function”. You can use the properties in the animations module to control the duration,. La propriété transition-timing-function décrit la façon dont les valeurs intermédiaires des propriétés CSS affectées par un effet de transition sont calculées. ; ease-in. The animation-timing-function property. The animation shorthand CSS property applies an animation between styles. 2,-2, 0. The W3Schools online code editor allows you to edit code and view the result in your browser The W3Schools online code editor allows you to edit code and view the result in your browser css. background-attachment. How to make custom CSS animation/transition timing function. A timing function in CSS is usually referred to easing functions. HTML. Stopping and starting an animation: animation-play-state. transition-property. The transition-timing function specifies the time an animation uses to change from one set of CSS transitions to another. , the first image will be the leftmost and the last image will be the rightmost. You can also link to another Pen here (use the . The step timing functions divides the input time into a specified number of intervals that are equal in length. CSS animations do not affect an element before the first keyframe is played or after the last keyframe is played. Each keyframe describes how the animated element should render at a given time during the animation sequence. 第一个参数 n 是一个正整数,表示阶跃次数,. <step-position>: Specifies the timing of the jump to occur either at the start, at the end, at both. JavaScript. Please refer to the CSS transition function to know more. 애니메이션 적용하기. Very cool! Between this post and my previous post, I've taken. To create a CSS animation sequence, you style the element you want to animate with the animation property or its sub-properties. transition-timing-function. transition-timing-function: ease; transition-timing-function: linear; transition-timing-function: step-end; transition-timing-function: steps(4, end); I hope in the future we get more. ease-in. These functions are often called easing functions. CSS3's transitions and animations support easing, formally called a "timing function". #myDIV { animation-timing-function: ease-in-out; } Click the property values above to see the result. HTML. You can set a greatful parameters in animation, called animation-timing-function allowing you to set perfectly and mathematicaly the animation : With bezier curve values or, if, like me, you're not that good mathematician, a parameter call "step()". Instead, you have to use clever tricks to get a stopped animation to replay. An element with animation-timing-function set to ease-out. animation-timing-function: ease-in, linear; Each timing function is applied to the corresponding animation as specified by the animation-name property. It is fully supported in. どのプロパティにアニメーションを適用するか指定する (all/none/プロパティ名) transition-duration. monster { width: 190px; height: 240px; background: url ('monster-sprite. 10px; animation-timing-function: steps(3, start); } div. こちらはCSSアニメーションのイージングプロパティ(animation-timing-function)で指定可能な値と、比較用の動作サンプル集になります。. These functions are often called easing functions. Rocket to the launch pad,. com The animation-timing-function specifies the speed curve of an animation. Verás que la animación. These functions are often called easing functions. Default value is 1: Play it » infinite: Specifies that the animation should be played infinite times (for ever) Play it » initial: Sets this property to its default value. If no animation-timing-function is specified on a keyframe, the corresponding value of animation-timing-function from the element to which the animation is applied is used for that keyframe. e. The timing is not being animated. CSS animations do not affect an element before the first keyframe is played or after the last keyframe is played. In the physical world, when a ball falls, it starts slow. Stopping and starting an animation: animation-play-state. The transition-timing-function property, normally used as part of transition shorthand, is used to define a function that describes how a transition will proceed over its duration, allowing a transition to change speed during its course. transitionTimingFunction in your tailwind. g 2, 3; A timing function value between step-start and step-end specified by eliminating the step-prefix. You can use CSS keyframes to create this kind of animation. CSS. Let’s modify the above properties and create amazing animations. These functions are often called easing functions. You can control how many steps to use in the transition, and whether the action occurs at the start or at the end of each step. With CSS.