ul.expander {
    text-align: center;
}

ul.expander h3 {
    margin-bottom: 0;
    font-size: 1.5em;
    font-weight: 700;
}

ul.expander li {
    display: block;
    margin-bottom: 1em;
    padding: 1em;
    border-radius: 10px;
    text-align: center;
    background-color: #ffffff;
    cursor: pointer;
    transition: width 2s, height 2s, transform 2s;
}

ul.expander li div.expander-content {
    display: none;
    margin-top: 1em;
}

ul.expander li p {
    margin-left: auto;
    margin-right: auto;
    margin-top: 1em;
    margin-bottom: 1em;
    max-width: 600px;
    color: #666666;
}

ul.expander li img {
    width: 100%;
}

ul.expander li.open {
    display: block;
    cursor: default;
}

ul.expander li.open div.expander-content {
    display: block;
}




@media only screen and (min-width: 768px) {

    ul.expander li {
        display: inline-block;
        margin-right: 1em;
    }
}