css - How to make background's color transition on a react component? -


i want set background fadeout animation when new message posted in page.

i want background change. blue opacity 0.

just basic animation when new post added in page in real time.

i've tried doesn't work, when add message, background color remains blue.

i using reactjs coupled sass/compass

<div classname="successfully-saved"><message /></div>
.successfully-saved{    background-color:blue;    @include transition(opacity, 1s ease-out);  }

thanks helping

assuming, want fadeout/hide message, when new post added. can change style of div , set opacity 0. this. hope helps.

let msgel = document.getelementbyid('msg');    //to add post successfully, using settimeout. may vary in case.  settimeout(function() {     msgel.innerhtml = "post added";     msgel.style.backgroundcolor = 'transparent';  }, 1000)
.successfully-saved{      background-color: blue;      -webkit-transition: background-color 2s; /* safari 3.1 6.0 */      transition: background-color 2s;  }
<div id="msg" class="successfully-saved"></div>


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