.sidebar img {
      width: 100%;
      height: auto;
      margin-bottom: 10px;
      border-radius: 10px;
    }
    .ad {
      background: #f8f9fa;
      padding: 15px;
      margin-bottom: 20px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 0 8px rgba(0,0,0,0.1);
    }
    .content img {
      border-radius: 8px;
    }
    .verde {
      color: green;
      font-size: 1.5em;
      margin-left: 5px;
    }