* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  max-width: 500px;
  margin: 0 auto;
  padding: 0;
}

nav {
  margin-top: 8px;
  text-align: center;
  border-radius: 6px;
  background-color: rgb(228, 228, 228);
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li {
  display: inline-block;
  margin: 10px;
}

a {
  font-weight: bold;
  color: black;
  text-decoration: none;
  border-bottom: 1px dotted black;
}

h1 {
  margin: 60px 0 0 0;
}

.subtitle {
  margin: 8px 0 60px 12px;
}

figure {
  margin: 20px 0;
}

img {
  max-width: 100%;
}

.imgGrid {
  margin: 20px auto;
  line-height: 0;
  column-count: 2;
  column-gap: 0px;
}

.imgGrid img {
  width: 100% !important;
  height: auto !important;
}

footer {
  text-align: center;
  background-color: rgb(228, 228, 228);
  border-radius: 6px;
}

footer p {
  padding: 8px 0;
}

@media only screen 
and (max-width: 520px) {
  body {
    max-width: 400px;
  }
}

@media only screen 
and (max-width: 410px) {
  body {
    max-width: 375px;
  }
}