.image-transition-container {
    position: relative;
    width: 100%;
    height: auto;
}

.image-transition-container img {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
}

.image-transition-container img.base-image {
    position: relative;
}

.image-transition-container img.image2 {
    display: none;
}