body {  
    font-family: 'Arial', sans-serif;  
    background: linear-gradient(90deg, #172e44, #0257b1);  
    color: #fff;  
    margin: 0;  
}  
  
header {  
    background-color: #11355c;  
    color: rgb(255, 255, 255);  
    padding: 20px;  
    text-align: center;  
}  
  
main {  
    display: grid;  
    grid-template-columns: repeat(2, 1fr);  
    gap: 20px;  
    padding: 20px;  
}  
  
section {  
    background-color: #11355c;  
    border-radius: 8px;  
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);  
    padding: 20px;  
}  
  
h2 {  
    color: #ffffff;  
}