#ad-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ad-placeholder {
    width: 300px;           /* typical banner width */
    height: 250px;          /* typical banner height */
    background-color: #ccc; /* placeholder color */
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
    font-weight: bold;
    font-size: 18px;
}















#slideAd {
    position: fixed;
    bottom: -200px;  /* Start hidden below screen */
    left: 50%;
    transform: translateX(-50%);
    width: 320px;
    background-color: #fff;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.3);
    overflow: hidden;
    transition: bottom 0.5s ease;
    z-index: 1000;
  }
  
  #adContent {
    position: relative;
    padding: 20px;
    text-align: center;
    color: #333;
  }
  
  #closeAd {
    position: absolute;
    top: 5px;
    right: 10px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    color: #888;
  }
  
  #closeAd:hover {
    color: #000;
  }