body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: white; 
    background: 
        linear-gradient(45deg, #1a1a1a 0%, #333333 25%, #555555 50%, #777777 75%, #1a1a1a 100%);
    background-size: 100% 100%; 
}

#myparent {
    display: grid;
    grid-template-areas:
        "header header header"
        "menu main right"
        "footer footer footer";
    grid-template-columns: 1fr 3fr 1fr; 
    grid-template-rows: auto 1fr auto; 
    min-height: 100vh; 
    gap: 10px; 
}

header {
    grid-area: header;
    background-color: #333; 
    color: white;
    padding: 1rem;
    text-align: center;
}

header h1 {
    margin-bottom: 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

nav a:hover {
    background-color: #555;
}

aside.sidebar-left {
    grid-area: menu;
    background-color: #2a2a2a; 
    color: white;
    padding: 1rem;
    border: 1px solid #444;
    border-radius: 5px;
}

article {
    grid-area: main;
    background-color: #222; 
    color: white;
    padding: 1rem;
    border: 1px solid #444;
    border-radius: 5px;
}

article h2 {
    margin-bottom: 0.5rem;
}

article p {
    margin-bottom: 1rem;
}

article img {
    max-width: 100%;
    height: auto;
    margin-top: 1rem;
}

aside.sidebar-right {
    grid-area: right;
    background-color: #2a2a2a; 
    color: white;
    padding: 1rem;
    border: 1px solid #444;
    border-radius: 5px;
}

footer {
    grid-area: footer;
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}

footer a {
    color: #ccc;
    text-decoration: none;
}

footer a:hover {
    color: white;
}