/* Design idea from here https://mo.rijndael.cc/ */

body {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    align-items: flex-start;
    padding: 10px;
}

header, main, footer {
    margin: 5px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

header, footer {
    flex: 2;
}

main {
    flex: 3;
}

header > div,
footer > div,
main > div {
    box-shadow: 5px 5px 0 0 lightgrey;
    box-sizing: border-box;
    border: 1px solid;
    width: 100%;
    text-align: center;
    color: black;
    padding-left: 10px;
    padding-right: 10px;
}

header > div > ul,
footer > div > ul,
main > div > ul {
    text-align: left;
}

header > div > h1,
footer > div > h1,
main > div > h1 {
    box-sizing: border-box;
    border-top: 1px solid;
    border-bottom: 1px solid;
}

@media (max-width: 1200px) {
	header, footer, main {
		flex: 1 100%;
	}
}