* {
    box-sizing: border-box;
    font-family: "monaco", monospace;
    max-width: 1000px;
    margin: auto;
}

header {
    width: 50%;
    padding: 15px;
    border: 1px solid black;
    background-color: gray;
}

h1 {
        color:black;
}

h2 {
    color:black;
}

body {
     width: 75%;
    padding: 15px;
    border: 1px solid black;
    background-color: SlateBlue;
}