.ad-common {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #D8D8D8;
    border-radius: 8px;
}
.ad-common:before {
    content: "Advertisement";
    font-size: 12px;
    color:#000;
    line-height: 20px;
}