Merge pull request #2606 from RC2208/trans1

FrontEnd : CSS : Transition and transformation (D) - Part 2 (only contains Transitions)

Web_Development/FrontEnd/CSS_Transition_And_Transformation/Transitions.md

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+# CSS Transitions:
+![transitions-animations](https://user-images.githubusercontent.com/70155541/134525113-dcad46fa-31df-4312-ba5a-ebc7a1466a7d.gif)
+
+## What is a Transition? And whats the difference between an Animation and a Transition?<br>
+CSS transitions allows one to change values of a property smoothly, over a given time duration. All transitions need a trigger to start Eg. A mouse hover or click. Whereas Animations start as soon as the web page is loaded and can run for an infinite amount of time.
+
+## Transition Methods <br>
+
+Following are the methods in css transitions:
+* transition
+* transition-delay
+* transition-duration
+* transition-property
+* transition-timing-function
+
+To create a transition effect, you need to specify two things:
+* the property you want to add the effect to
+* the duration/timing of the effect
+
+```css
+div {
+  width: 50px;
+  height: 50px;
+  background: blue;
+  transition: width 3s;
+}
+```
+
+```css
+div:hover {
+  width: 300px;
+}
+```
+
+
+## Change Multiple Property Values <br>
+The transition property is specified as one or more single-property transitions, separated by commas.
+
+```css
+div {
+  transition: width 2s, height 4s;
+}
+```
+
+## Selecting all properties <br>
+transition-property takes a special value: `all`. When all is specified, all CSS transition properties will start move.
+
+```css
+div{
+transition: all 2s; 
+}
+```
+
+
+## Transition Timing function<br>
+The transition-timing-function property specifies the speed curve of the transition effect.
+This property can have the following values:
+
+* ease -Transition effect with a slow start, then fast, and then ends slowly (default)
+* linear - Transition effect with same speed from start to end
+* ease-in - Transition effect with slow start
+* ease-out - Transition effect with slow end
+* ease-in-out - Transition effect with slow start and end
+* cubic-bezier(n,n,n,n) - lets you define your own values in a cubic-bezier function.
+
+
+![transition1](https://user-images.githubusercontent.com/70155541/134521015-728ab242-f1d0-45e8-b47e-b0587d7cd5fd.gif)
+
+Code For different transition prpoerties: <br>
+```css
+div {
+  width: 50px;
+  height: 50px;
+  background: yellow;
+  transition: width 2s;
+}
+
+#div1 {transition-timing-function: linear;}
+#div2 {transition-timing-function: ease;}
+#div3 {transition-timing-function: ease-in;}
+#div4 {transition-timing-function: ease-out;}
+#div5 {transition-timing-function: ease-in-out;}
+
+div:hover {
+  width: 200px;
+}
+```
+
+## Transition Delay <br>
+This property specifies a delay (mostly in seconds) for the transition effect to take place.
+
+```css
+div {
+  transition-delay: 3s;
+}  /*Delays transition by 3 sec*/
+```
+
+## Using Transitions in transform 
+```css
+div {
+  width: 50px;
+  height: 50px;
+  background: red;
+  transition: width 2s, height 2s, transform 2s;
+}
+
+div:hover {
+  width: 200px;
+  height: 200px;
+  transform: rotate(180deg);
+   background-color:blue;
+}
+```
+
+![trans_3](https://user-images.githubusercontent.com/70155541/134523796-bcb5ddce-f6ea-4c58-9bdb-0051ab1a8a54.gif)