* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Georgia, serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #222;
}


.grid-container {
    width: 90%;
    margin: 20px auto;

    display: grid;

    grid-template-columns: 2fr 1fr;

    grid-template-areas:
        "header header"
        "nav nav"
        "main sidebar"
        "footer footer";

    gap: 15px;
}


.header {
    grid-area: header;
    background: #2f2f2f;
    color: white;
    padding: 20px;
}


.nav {
    grid-area: nav;
    background: #4E0102;
    padding: 10px;
}

.nav ul {
    list-style-type: none;
}

.nav li {
    display: inline;
    margin-right: 15px;
}

.nav a:link,
.nav a:visited,
.nav a:active {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.nav a:hover {
    text-decoration: underline;
}

.current {
    text-decoration: underline;
}


.main {
    grid-area: main;
    background: white;
    padding: 20px;
    border: 1px solid #ccc;
}

.main h2 {
    margin-bottom: 10px;
}

.main p {
    margin-bottom: 10px;
}

blockquote {
    font-style: italic;
    margin: 15px 0;
    padding-left: 10px;
    border-left: 3px solid #4E0102;
}


.sidebar {
    grid-area: sidebar;
    background: #eee;
    padding: 20px;
    border: 1px solid #ccc;
}

.sidebar h3 {
    margin-bottom: 10px;
}

.sidebar p {
    margin-bottom: 10px;
}


.footer {
    grid-area: footer;
    background: #2f2f2f;
    color: white;
    text-align: center;
    padding: 15px;
}

a:link,
a:visited,
a:active {
    color: #17037A;
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    text-decoration: underline;
}


@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;

        grid-template-areas:
            "header"
            "nav"
            "main"
            "sidebar"
            "footer";
    }

    .nav li {
        display: block;
        margin: 5px 0;
    }
}