Answers for "hide long text & show on hover css"

css hide text if too long

<div id="truncateLongTexts">
    test test test test
</div>

#truncateLongTexts {
  width: 100px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis // This is where the magic happens
}

show hidden text on hover

#DivForHoverItem {
    /*just so we can see it*/
    height: 50px;
    width: 300px;
    background-color: red;
}

#HiddenText {
    display: none;
}

#DivForHoverItem:hover #HiddenText {
    display:block;
}