* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: auto;
    width: 640px; 
    padding: 50px;
    font-family: 'Arial', sans-serif; 
    color: #33475b;    
    overflow: hidden;
  }
  
  /* Centered Image Code */
  
   .center {
    position: absolute;
    margin: auto;
    height: 500px;
    display: flex;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    align-items: center;
    justify-content: center;
    border: 0px solid #dbe4ed; /* Border color is optional */  
    z-index: 25; 
  
  }

.image-container {

  text-align: center;
  z-index: 20; 

}