#global_mask{
    position: absolute;
    margin-top: 258px;
    overflow: hidden;
    background-color: #4C4B49;
    /*background-color: red;*/
    filter: alpha(opacity=40);
    height: 500px;
    width: 100%;
    z-index: 3;
}

#content ul li .text-img{
    margin-top: -250px;
}

#menu li:hover ul{
    display: block;
    margin: 0;
    border-top: 5px solid transparent;
}
#menu li:hover li ul{
    margin-left: 120px;
    margin-top: -44px;
    padding-left: 2px;
    list-style: none;
    border-top: none;
}
#previous .mask{
    position: absolute;
    left: 0px;
    width: 700px;
    height: 502px;
    z-index: 4;
    background-color: black;
    filter: alpha(opacity=0.1);
}
#next .mask{
    position: absolute;
    margin-top: 4px;
    width: 700px;
    height: 500px;
    right: 0px;
    background-color: black;
    filter: alpha(opacity=0.1);
}