table.scrollable-content tbody tr{
  overflow:auto;
  display:block;
  height:150px;
}
table.scrollable-content tbody tr div{
    animation-name: example;
    animation-duration: 5s;
}
table.scrollable-content tbody tr:hover div{
    animation-name: example2;
    animation-duration: 5s;
}

@keyframes example {
    from {background-color: white;}
    to {
      background-color: white;
       transform:translateY(-30px)
    }
}
@keyframes hovered {
    from {background-color: black}
    to {
      background-color: black;
       transform:translateY(-30px)
    }
}