.slide{
    width: 500px;
    height: 300px;
    margin: 2% auto;
    border-radius: .5em;
    box-shadow: 10px 10px 5px #888;
    position: relative;
}

.slide img{
    width: 500px;
    height: 300px;
    position: absolute;
}

.slide .img2, .slide .img3, .slide .img4{
    display: none;
}