body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #35424a;
    color: #ffffff;
    padding: 10px 0;
    text-align: center;
}

h1 {
    margin: 0;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

footer {
    background: #35424a;
    color: #ffffff;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}

.sidebar {
    background: #e2e2e2;
    padding: 15px;
    margin: 15px 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    background-color: #35424a;
    color: white;
}