h1{
    color: black;
}

header{
    font-size: 3rem;
    margin-bottom: 2%;
}

main{
    display: flex;
}

nav{
    margin-right: 5%;
    width: 10%;
}

nav a{
    text-decoration: underline;
    color: black;
}
nav a:visited{
    color: black;
}

nav a:hover{
    font-weight: 600;
}

nav h1{
    font-size: 1rem;
}

nav h2{
    font-size: 1rem;
    font-weight: 400;
}

article{
    width: 40rem;
}

ul{
    list-style-type: "- ";
}

pre
{
    background-color: lightgray;
    padding: 3px;
    overflow: auto;
}

img{
    width: 50%;
    margin-top: 10px;
}