.advertisement {
    display: inline-block;
    text-align: center;
    padding: 2em;
    width: fit-content;
}

.advertisement.center {
    width: 100%;
}

.advertisement picture, .advertisement img {
    height: 250px;
    width: 250px;
}

.advertisement.left {
    float: left;
    padding-left: 0;
}

.advertisement.right {
    float: right;
    padding-right: 0;
}

.advertisement .ads-mark {
    position: relative;
}

.advertisement .ads-mark::before {
    content: "";
    top: calc(30% + 1em);
    border-top: rgba(0,0,0,0.1) solid 3px;
    width: 100%;
    position: absolute;
    left: 0;
    z-index: 0;
}

.advertisement .ads-mark p {
    position: relative;
    background: white;
    z-index: 10;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    padding-left: 10px;
    padding-right: 10px;
    padding-top: 1em;
}