* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body, html {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #105ec5, #397ecd); /* gradient blend */
    font-family: Arial, sans-serif;
  }
  
  .container {
    text-align: center;
    padding: 20px;
  }
  
  .responsive-img {
    max-width: 90%;
    height: auto;
    border-radius: 12px;
    /* box-shadow: 0 0 25px rgba(0, 0, 0, 0.2); */
  }