body {
    background-color: #00b140;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

.caption {
    float: left;
    margin: 0;
    padding: 0.5%;
    font-size: 25px;
    width: 100%;
    color: #3b3b3b;
    background: #dedede; /* browser che non supportano rgba */
    position: absolute;
    left: 0;
    bottom: 0;
    height: 15%;
}

.captionVert {
    float: left;
    margin: 0;
    padding: 0.5%;
    font-size: 25px;
    width: 100%;
    color: #3b3b3b;
    background: #dedede; /* browser che non supportano rgba */
    position: absolute;
    left: 0;
    bottom: 0;
    height: 10%;
}



/* Resize images */
.caption img {
    max-width: 100%;
    max-height: 100%;
}

.captionVert img {
    max-width: 100%;
    max-height: 100%;
}