fade in transition css code example

Example 1: css transition opacity

/* Answer to: "css transition opacity" */

/*
  CSS transitions allows you to change property values smoothly,
  over a given duration.
*/

.myClass {
  vertical-align: top;
  transition: opacity 0.3s; /* Transition should take 0.3s */
  -webkit-transition: opacity 0.3s; /* Transition should take 0.3s */
  opacity: 1; /* Set opacity to 1 */
}

.myClass:hover {
  opacity: 0.5; /* On hover, set opacity to 2 */
}

/* 
  From `opacity: 1;` to `opacity: 0.5;`, the transition time should
  take 0.3 seconds as soon as the client starts to hover over the
  element.
*/

Example 2: animation fade in css

#test p {
    margin-top: 25px;
    font-size: 21px;
    text-align: center;

    -webkit-animation: fadein 2s; /* Safari, Chrome and Opera > 12.1 */
       -moz-animation: fadein 2s; /* Firefox < 16 */
        -ms-animation: fadein 2s; /* Internet Explorer */
         -o-animation: fadein 2s; /* Opera < 12.1 */
            animation: fadein 2s;
}

@keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Firefox < 16 */
@-moz-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Safari, Chrome and Opera > 12.1 */
@-webkit-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Internet Explorer */
@-ms-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Opera < 12.1 */
@-o-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

Example 3: css transform transition

.selector {
  transition: transform 1s;
}

Example 4: opacity transition in css

/*
Opacity transition in CSS

By using this we can add element transition with some delay.
And due to transition delay its look like animation of element.
*/

div {
  transition: opacity 0.5s; /* Transition should take 0.3s */
  -webkit-transition: opacity 0.5s; /* Transition should take 0.3s */
  opacity: 1; /* Set opacity to 1 */
}

/*
I hope it will help you.
Namaste
*/

Example 5: animation fade in css

#test p {
    opacity: 0;
    font-size: 21px;
    margin-top: 25px;
    text-align: center;

    -webkit-transition: opacity 2s ease-in;
       -moz-transition: opacity 2s ease-in;
        -ms-transition: opacity 2s ease-in;
         -o-transition: opacity 2s ease-in;
            transition: opacity 2s ease-in;
}

#test p.load {
    opacity: 1;
}

Example 6: animation fade in css

document.getElementById("test").children[0].className += " load";

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