html {
height: 100%;
width: 100%;
}
body {
flex-direction: row;
display: flex;
min-height: 100%;
min-width: 100%;
padding: 0;
}
nav {
background-color: #f6f6f6;
padding: 10px;
list-style: none;
}
main {
background-color: #ffffff;
flex-grow: 1;
padding: 20px;
}