body {margin: 0;
       font-family: Arial, Helvetica, sans-serif;
        background-color: #f4f4f4;
         color: #333;}
header{
       background-color: #333
       color(#fff);
       text-align: center;
       padding: 20px 0;
}

header h1, header p {margin: 0;}

main{ 
       max-width: 800px;
       margin: 20px auto;
       padding: 0 20PX;
}

section {
       background-color: #fff;
       padding: 20px;
       margin-bottom: 20px;
       border-radius: 5px;
}

footer {
       background-color: #333;
       color: #fff;
       text-align: center;
       padding: 15px 0;
       width: 100%;
}