.container {
    display: flex;
    gap: 0px;
}

header {
    background-color: aquamarine;
    height: 150px;
}

nav {
    background-color: rgb(24, 165, 118);
    height: 500px;
    width: 250px;
}

article {
    background-color: rgb(31, 85, 67);
    height: 500px;
flex: 1;
}

footer {
    background-color: rgb(66, 74, 72);
    height: 100px;
}