.siv {
  background-color: rgb(255, 255, 255);
  border: 1px solid rgb(175, 175, 175);
  padding: 50px;
  margin: 0 auto;
  width: 75%;
}

.some-code {
  background-color:rgb(237, 237, 237);
  padding: 10px;
  border-radius: 5px;
  border-style: solid;
  border-width: 0.5px;
  border-color: rgb(175, 175, 175);
}

.back a,
.next a {
  text-decoration: none;
  color: inherit;
  font-weight: bold;
}

.back {
  text-align: left;
}

body {
  background-color: rgb(246, 246, 246);
  /* font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; */
  color: rgb(32, 32, 32);
  font-size: large;
}

h1,
h2 {
  color: rgb(53, 0, 0)
}

.code {
  font-family: monospace;
  font-style: italic;
  font-weight: bold;
}