.nav-slide {
    position: relative;
    display: none;
}

.nav-imagebox .nav-slide{
    display: block;
}
.nav-slide img {
    display: block;
    width: 100%;
}

.nav-slide .title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-transform: uppercase;
    font-size: 20px;
    line-height: 20px;
    margin: 0;
    text-shadow: 2px 2px 5px #000, -2px -2px 5px #000;
}