JSFiddle - React, Tailwind, and code Playground

by Kostya Tretyak

HTML

<div id="controller">
    <div id="ticker">
        <div class="tweet">
            There is a very long string that does not fit in the parent html-elemen.
        </div>
    </div>
</div>
<div id="runner">
    ...
</div>

CSS

#controller {
    box-sizing: border-box;
    width: 240px;
    overflow:hidden;
    border: 1px solid red;
    float: left;
}
#controller:hover #ticker {
    -webkit-animation: move_eye 3s linear 0s 1 normal;
    -webkit-animation-fill-mode: forwards; /* Chrome, Safari, Opera */
    animation-fill-mode: forwards;
}
#ticker {
    white-space: nowrap;
}

/* Chrome, Safari, Opera */ 
@-webkit-keyframes move_eye {
    from {top: 0px;}
    to {
        -ms-transform: translate(-100%,0); /* IE 9 */
        -webkit-transform: translate(-100%,0); /* Safari */
        transform: translate(-100%,0);
    }
} 

/* Standard syntax */ 
@keyframes move_eye {
    from {top: 0px;}
    to {
        -ms-transform: translate(-100%,0); /* IE 9 */
        -webkit-transform: translate(-100%,0); /* Safari */
        transform: translate(-100%,0);
    }
}
.tweet {
    box-sizing: border-box;
    display: inline-block;
    padding: 5px 10px;
    margin: 5px 2px;
    height: 100%;
}
#runner {
    height: 100%;
    padding-top: 10px;
    padding-bottom: 10px;
    border: 1px solid green;
    width: 280px;
}