.hero-trending {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    list-style-type: none;
    padding: 0;
}
.hero-trending li {
    flex: 0 0 auto;
    position: relative;
}
.hero-trending li:before {
    content: attr(data-num);
    position: absolute;
    text-align: center;
    top: 0;
    left: 0;
    box-sizing: content-box;
    -webkit-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}