body {
  margin: 0 auto;
  font-family: "Exo 2", sans-serif;
  background-color: #f5f5f5;
  text-align: center;
  min-height: 100vh;
  min-width: 640px;
  display: flex;
  flex-direction: column;
}

header div {
  display: flex;
  background-color: #606060;
  padding: 8px 16px;
  color: #f5f5f5;
}

header a.title {
  margin-right: auto;
  text-decoration: none;
  font-style: italic;
  font-size: 24px;
  line-height: 24px;
  color: #f5f5f5;
}

header a.title:hover {
  color: cadetblue;
}

header svg.github-icon {
  width: 24px;
  height: 24px;
}

header svg.github-icon path {
  fill: #f5f5f5;
}

header svg.github-icon:hover path {
  fill: cadetblue;
}

div.main {
  flex: 1;
}

div.summary {
  margin: 40px auto;
}

p.title {
  font-style: italic;
  font-size: 64px;
  line-height: 64px;
  margin: 20px auto;
}

p.catchcopy {
  font-weight: bold;
}

section.gallery {
  max-width: 960px;
  margin: 0 auto 40px;
  padding: 0 16px;
}

p.gallery-status {
  color: #606060;
}

div.runner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

article.runner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  padding: 16px;
}

div.runner-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
  height: 104px;
  padding: 16px 20px;
  border-radius: 4px;
  background: repeating-conic-gradient(#ececec 0% 25%, #f8f8f8 0% 50%) 0 0 / 16px 16px;
}

div.runner-preview img {
  height: 54px;
  max-width: 100%;
}

p.runner-name {
  font-weight: 600;
  font-size: 18px;
  margin: 12px 0 0;
}

p.runner-author {
  font-size: 13px;
  color: #606060;
  margin: 4px 0 12px;
}

a.download-button {
  display: inline-block;
  background-color: #606060;
  color: #f5f5f5;
  text-decoration: none;
  font-weight: 600;
  padding: 6px 24px;
  border-radius: 16px;
}

a.download-button:hover {
  background-color: cadetblue;
}

a.download-button:active {
  opacity: 0.7;
  transform: translateY(2px);
}

section.contribute {
  margin: 0 auto 40px;
  padding: 0 16px;
}

section.contribute a {
  color: darkcyan;
}

footer {
  padding-top: 1em;
  color: #606060;
}

nav a {
  text-decoration: none;
  color: #404040;
  margin: 0 8px;
}

nav a:hover {
  color: darkcyan;
}