.wr_slideupbox{ 
    /*width:300px;*/
    /*height:110px;*/
    position:relative;
    overflow:hidden; /* disable scrollbars */
    cursor:pointer;
}
.slideup{
    /*width:100%;*/
    height:auto;
    overflow:hidden;
    position:absolute;
    float:left;
    /* opacity background color */
    background:rgba(30,30,30,.7); /* rgb */
    filter:alpha(opacity=70); /* IE */
    -moz-opacity:0.7; /* Mozilla */
    /*opacity:0.4;*/ /* CSS3 */
    color:#fff;
}