#slides{
    position: relative;
    height: 50px;
    padding: 0px;
    margin: 20px;
    list-style-type: none;

}
.slide{
    position: absolute;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    opacity: 0;
    z-index: 1;

    -webkit-transition: opacity 1s;
    -moz-transition: opacity 1s;
    -o-transition: opacity 1s;
    transition: opacity 1s;
}
.showing{
    opacity: 1;
    z-index: 2;
}
.slide{
text-align:left;
    font-size: 18px;
    padding: 10px;
    box-sizing: border-box;
    color: #333;
}