html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}
img {
  width: 100%;
  height: 100vh; 
  
  object-fit: cover; 
}

 body {
    margin: 0;
    padding: 0;
    background-color: #3A7BD5; 
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh; 
  }
  .container {
    text-align: center;
  }
  img {
    max-width: 100%;
    height: auto;
  }