body {
    font-family: sans-serif;
    background-color: #dcdcdc;
    color: #000;
    margin: 0;
    padding: 0;
}

.container {
    width: 800px;
    margin: 0 auto;
    border: 1px solid #000;
    background-color: #fff;
    padding: 10px;
}

header {
    background-color: #00d5ba;
    color: #fff;
    padding: 20px;
    text-align: center;
}

nav {
    background-color: #a38bff;
    padding: 10px;
    margin: 10px 0;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    color: #000;
    text-decoration: none;
    font-weight: bold;
}

main {
    padding: 20px;
    background-color: #e0ffff;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #00d5ba;
    color: #fff;
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border: 1px solid #000;
    padding: 10px;
    text-align: left;
}

th {
    background-color: #ffcc00;
    color: #000;
}

tbody tr:nth-child(even) {
    background-color: #e0ffff;
}