hover transition css
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.btn {
background-color: #f4511e;
border: none;
color: white;
padding: 16px 32px;
text-align: center;
font-size: 16px;
margin: 4px 2px;
opacity: 0.6;
transition: 0.3s;
}
.btn:hover {opacity: 1}
</style>
</head>
<body>
<h2>Fading Buttons - "Fade in Effect"</h2>
<button class="btn">Hover Over Me</button>
</body>
</html>
CSS Transitions
CSS transitions allows you to change property values smoothly, over a given duration.
In this chapter you will learn about the following properties:
transition
transition-delay
transition-duration
transition-property
transition-timing-function
To create a transition effect, you must specify two things:
the CSS property you want to add an effect to
the duration of the effect
Note: If the duration part is not specified, the transition will have no effect, because the default value is 0.
The following example shows a 100px * 100px red <div> element. The <div> element has also specified a transition effect for the width property, with a duration of 2 seconds:
Example
div {
width: 100px;
height: 100px;
background: red;
transition: width 2s;
}
The transition effect will start when the specified CSS property (width) changes value.
Now, let us specify a new value for the width property when a user mouses over the <div> element:
Example
div:hover {
width: 300px;
}
Notice that when the cursor mouses out of the element, it will gradually change back to its original style.
Change Several Property Values
The following example adds a transition effect for both the width and height property, with a duration of 2 seconds for the width and 4 seconds for the height:
Example
div {
transition: width 2s, height 4s;
}
/* Simple CSS color transition effect on selector */
div {
color: white;
background-color: black;
}
div:hover {
background-color: red;
}
/* Additional transition effects on selector */
div {
background-color: black;
color: white;
height: 100px;
transition: width 1.5s, height 3s;
width: 100px;
}
div:hover {
background-color: red;
height: 300px;
width: 150px;
}