body {
  margin: auto;
  width: 640px; 
  padding: 50px;
  font-family: 'Arial', sans-serif; 
  color: #000;    
}

/* Centered Image Code */

 .center {
  height: 285px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid #000; /* Border color is optional */  

}