* {
    box-sizing: border-box;
}

body {
    margin: 20px;
    font-family: Arial, sans-serif;
    font-weight: bold;
    color: #333;
    background-color: #f0f0f0;
}

.container {
    display: grid;
    grid-template-columns: 200px 1fr;
    grid-template-rows: auto auto auto 400px auto;
    gap: 10px;
    max-width: 1100px;
    margin: 0 auto;
}

.container > div, 
.container > nav, 
.container > header, 
.container > aside, 
.container > main, 
.container > footer {
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
}

.top-header {
    grid-column: 1 / 3;
    background-color: #e8daff;
    border: 2px solid #b39ddb;
}

.navigation {
    grid-column: 1 / 3;
    background-color: #e8f5e9;
    border: 2px solid #81c784;
}

.sidebar {
    grid-column: 1 / 2;
    grid-row: 3 / 5;
    background-color: #e3f2fd;
    border: 2px solid #90caf9;
}

.header {
    grid-column: 2 / 3;
    background-color: #ffebee;
    border: 2px solid #ef9a9a;
}

.content-area {
    grid-column: 2 / 3;
    background-color: #e1f5fe;
    border: 2px solid #81d4fa;
}

.footer {
    grid-column: 1 / 3;
    background-color: #f3e5f5;
    border: 2px solid #ce93d8;
    flex-direction: column;
    line-height: 1.6;
}

.footer p {
    margin: 2px 0;
}