.containerd {
    width: 100%;
    margin: auto;
    position: relative;
}

.containerd>img {
    position: absolute;
    width: 100%;
}

.loading {
    position: absolute;
    height: 0.8rem;
    width: 15rem;
    border: 1px solid #eee;
    background: linear-gradient(to top, #eee, #eee);
    background-size: 0 100%;
    transition: background-size .1s;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}

.loading::before {
    content: attr(data-percent)'%';
    position: absolute;
    left: 0;
    top: -1.5em;
    font-size: 12px;
    color: #eee;
}