#top-fixed-nav {

  overflow: visible !important;
 
}
.image-box img{
    width: 100%;
    float: left;
}
.image-box:hover .normal-state{
    display: none;
}
.image-box .hover-state{
    display: none;
}
.image-box:hover .hover-state{
    display: block;
}