body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color:#333;
}
header{
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em;
}
.container {
    max-width: 1000px;
    margin: auto;
    padding: 20px;
    background-color: #333;
    color:white;
}
.section {
    margin-bottom: 20px;
}

footer
{
    background: #333; color: white; text-align: center; padding: 10px; position: fixed; bottom: 0; width: 100%; 
}