body {
    background-color: ivory;
    font-family: arial, helvetica, sans-serif;
    padding: 10px;
    line-height: 1.5;
    font-size: 18px;
}

div,
header,
footer,
nav,
main,
aside {
    overflow: auto;
    border: 1px solid gold;
    margin: 10px;
    padding: 10px;
    box-sizing: border-box;
}

main {
    width: 80%;
    float: left;
    min-height: 500px;
}

aside {
    margin-top: 16px;
    min-height: 500px;
}



.container {
    width: 80%;
    margin: 10px auto;
    padding: 10px;
    border: 2px solid rebeccapurple;
}

.container .container {
    border: 4px solid burlywood;
    border-radius: 20px;
}

nav {
    text-align: center;
}

h2 {
    text-align: left;
}

.container p {
    margin-left: 15px;
}

#red-header{
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    color: rgb(114, 15, 15);
    font-weight: bold;
    font-size: xx-large;
}