.wel{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;width:1100px;margin:0 auto;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-orient:horizontal;-webkit-box-direction:reverse;-ms-flex-direction:row-reverse;flex-direction:row-reverse}