header {
    background-color: red;
    color: white;
}

main {
    background-color: blue;
    color: magenta;
    margin: 2vw 0vw 2vw 0vw;
    padding: 2vw;
}

footer {
    background-color: green;
    color: black;
}

header, footer {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    
    padding: 1vw;
}

a {
    color: black;
}

a:hover {
    color: yellow;
}

body {
    background-color: magenta;
}