body {
    font-family: Arial, sans-serif;
    background-color: #eeeeee;
    margin: 0;
    padding: 0;
}

header {
    background-color: #222222;
    color: white;
    text-align: center;
    padding: 20px;
}

main {
    width: 80%;
    margin: auto;
}

section {
    background-color: white;
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #cccccc;
}

article {
    background-color: #f8f8f8;
    margin: 10px;
    padding: 10px;
    border: 1px solid #dddddd;
}

label {
    display: block;
    margin-top: 10px;
}

input {
    margin-top: 5px;
    padding: 6px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th {
    background-color: #333333;
    color: white;
}

th, td {
    border: 1px solid #999999;
    padding: 8px;
    text-align: left;
}

footer {
    background-color: #222222;
    color: white;
    text-align: center;
    margin-top: 20px;
    padding: 15px;
}