CSS筆記-在hover及transition中更改文字透明度

Change text opacity on hover and during transition in css

<div id="image-3">
    <img src="sample.jpg" height="110" width="110"> 
    <div>
        <p>Sample</p>
    </div>
    <div id="hello-text-right">
        <span>Hello</span>
    </div>
</div>

#hello-text-right{
    color:rgba(0,0,0,0);
}
#hello-text-right:hover{
    color:rgba(0,0,0,1);
}

https://stackoverflow.com/questions/42451000/change-text-opacity-on-hover-and-during-transition-in-css