rising cbox on hover

<link href='http://fonts.googleapis.com/css?family=Josefin+Sans:300|Roboto' rel='stylesheet' type='text/css'>
<style>
#cbox {
    left: 40px;
    bottom: -354px;
    z-index: 9999;
    position: fixed;
    -webkit-transition: all 0.8s ease-in-out;
    -moz-transition: all 0.8s ease-in-out;
    -o-transition: all 0.8s ease-in-out;
    -ms-transition: all 0.8s ease-in-out;
    transition: all 0.8s ease-in-out;
    border: 5px solid #fff;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    box-shadow: 0px 0px 0px 1px #fedbdb;
}

#cbox:hover {
    bottom: 0px;
}

#cboxtitle {
    width: 180px;
    height: 15px;
    background-color: #ffffff;
    background-image: url('https://41.media.tumblr.com/3827df8cb33c8426b76e87c2e5888822/tumblr_inline_npdg23RZcL1rnjuep_540.png');
    padding: 8px 5px 5px 5px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    text-align: center;
    font-size: 14px;
    font-family: 'Josefin Sans', sans-serif;
    font-weight: 300;
    letter-spacing: 10px;
    color: #db9494;
    text-shadow: 1px 1px 1px #ffffff;
    text-transform: uppercase;
}

#cboxdesc {
    width: 180px;
    height: 40px;
    padding: 5px;
    background-color: #ffffff;
    overflow: auto;
    font-family: 'Roboto', sans-serif;
    font-size: 9px;
    text-align: justify;
    letter-spacing: 1px;
    color: #a19090;
}
</style>
<div id="cbox">
<div id="cboxtitle">chatbox</div>
<div id="cboxdesc">

YOUR CHATBOX DESCRIPTION HERE

</div> <!-- IMPORTANT! PLEASE KEEP THIS HERE -->

<iframe src="https://www6.cbox.ws/box/?boxid=858895&boxtag=p9XmKU" width="190" height="300" allowtransparency="yes" allow="autoplay" frameborder="0" marginheight="0" marginwidth="0" scrolling="auto"></iframe>
</div> <!-- IMPORTANT! PLEASE KEEP THIS HERE -->