.slider {
    width: 100%;
    position: relative;
}

.slider ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.slider li {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

img {
    height: 100%;
    width: 100%;
}

.slider li.active {
    opacity: 1;
}

.slider .caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    /*font-size: 18px;*/
   /*padding: 10px;*/
    text-align: center;
}