* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: black;
    padding: 0 2rem;
    color: white;
}

header {
    max-width: 960px;
    margin: auto;
    text-align: center;
    padding: 2rem 0;
}

a {
    text-decoration: none;
    color: inherit;
}

h1 {
    font-family: new-science-mono, monospace;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 2rem;
}

nav {
    max-width: 960px;
    margin: auto;
    text-align: center;
}

nav a {
    text-decoration: none;
    margin: 0 1rem;
    border-bottom: 1px solid white;
    padding-bottom: .25rem;
    font-family: new-science-mono, monospace;
    font-weight: 400;
}

nav a:hover {
    color: lime;
    border-bottom: 1px solid lime;
}

section {
    max-width: 960px;
    margin: 2rem auto;
    padding: 2rem;
    border: 1px solid hsl(0, 0%, 50%);
    border-radius: 8px;
    box-shadow: inset 0 0 20px hsl(0, 0%, 50%);
}

h2 {
    font-family: new-science-mono, sans-serif;
    font-weight: 600;
    font-style: normal;
    font-size: 1rem;
    color: lime;
    padding-bottom: .25rem;
    border-bottom: 1px solid hsl(0, 0%, 50%);
    margin-bottom: 1rem;
}

ul {
    list-style-type: none;
}

li {
    margin-bottom: 1rem;
}


h3 {
    font-family: monospace;
    font-size: .9rem;
    font-weight: 400;
    border-bottom: 1px solid white;
    display: inline-block;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    align-items: start;
    gap: 1rem;
}
.gallery img {
    width: 100%;
}

p {
    font-family: monospace;
    font-size: .9rem;
}

@media screen and (max-width:480px) {
    p {
        font-size: .75rem;
    }

    .gallery {
        grid-template-columns: 1fr;
    }
}