ul.images-list,
ul.images-list * {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
ul.images-list {
    list-style-type: none;
    padding: 0;
    display: table;
    margin: 0 auto;
}

ul.images-list li {
    max-width: 200px;
    float: left;
}

ul.images-list li + li {
    margin-left: 20px;
}

ul.images-list::before,
ul.images-list::after {
    content: "";
    display: table;
    clear: both;
}