Disappear

<center><link href='http://fonts.googleapis.com/css?family=Carrois+Gothic+SC' rel='stylesheet' type='text/css'><link href='http://fonts.googleapis.com/css?family=Patrick+Hand+SC' rel='stylesheet' type='text/css'><div style="width: 500px; height: 410px; background: url('http://static.tumblr.com/anceyrj/rQ3lz5uv2/tumblr_ll59ay3eob1qf4jrqo1_500.png'); margin: auto; border-left: solid 10px #0489B1; border-right: solid 10px #0489B1;">
<div class="mikuo">
 <div style="width: 210;  margin: auto; font-family: Carrois Gothic SC; font-size: 40px; color: #ffffff; letter-spacing: -1px; line-height: 25px; border-bottom: solid 10px #2ECCFA;">
TITULO DEL MENSAJE</div>TEXTO
</div>
 <div style="width:170px; height: auto; background: #0489B1; margin-top: -8px; font-family: Georgia; font-size: 15px; color: #78cce6 ; "><a href="http://nightnay.tumblr.com/">Tsuki Project</a>©Haru</div></div></center>

<style>.mikuo{width: 480px; height: 380px; overflow: auto; background: #0489B1; margin-top: 1px; margin-left: 0px; font-family: Patrick Hand SC; letter-spacing: 1px; color: #ffffff ;position: relative; opacity: 0; transition-duration: 1s; -moz-transition-duration: 1s; -htm-transition-duration: 1s; -webkit-transition-duration: 1s; -o-transition-duration: 5ms;} .mikuo:hover {transition-duration: 1s; -moz-transition-duration: 1s; -htm-transition-duration: 1s; -webkit-transition-duration: 1s; -o-transition-duration: 5ms; opacity: 0.9;}</style>