expand scrollbox

<style>
#scroll{
transition: width 0.5s, height 1s;
overflow: scroll;
overflow-x: hidden;
height: 90px;
width: 160px;
border: 1px black solid;
}
#scroll:hover {
height: 250px;
width: 240px;
z-index: 2;
transform-origin: 50% 50%;
-moz-transition: all 0.8s;
-webkit-transition: all 0.8s;
}
</style>