html {
  margin:    0 auto;
}

body {
  align-items: center;
  color: #222; 
  display: flex;
  flex-direction: column;
  font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size: 16px;
  gap: 4px;
  justify-content: center;
  margin-top:0px;
}

pre {
  font-family: "Fira Mono", Consolas, Menlo, Monaco, "Courier New", Courier, monospace;
  display: block;
  padding: 8px;
  word-break: break-all;
  word-wrap: break-word;
  background-color: #f5f5f5;
  border: 1px solid #ccc;
  border-radius: 4px;
  overflow-x: scroll;
}

blockquote {
  padding: 10px 20px;
  margin: 0 0 20px;
  font-size: 110%;
  border-left: 5px solid #eee;
}

img {
  display: block;
  margin: 10px auto;
}

.banner {
  text-align: center;
  background: #90d5ff;
  padding: 8px;
  width: 100%;
}

.content {
  max-width: 850px;
  width: 100%;
}