@font-face {
  font-family: "Dummies";
  src: url("Dummies_.ttf");
}

body {
  background-color: yellow;
}

h1 {
  color: white;
  background-color: black;
  background-image: url("banner2.png");
  width: 1024px;
  height: 220px;
  font-family: Dummies;
  margin-left: auto;
  margin-right: auto;
  border-radius: 10px;
  box-shadow: 5px 5px 5px gray;
}

h2 {
  padding-left: 2em;
  font-family: Dummies;
  width: 980px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 5px 5px 5px gray;
}

p {
  width: 980px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 5px 5px 5px gray;
}

ul {
  width: 980px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 5px 5px 5px gray;
}

.warning{
  color: red;
}

.note {
  background-color: white;
  border: 1px solid black;
  padding: 1em;
  box-shadow: 5px 5px 5px gray;
}

pre {
    color: black;
    background-color: white;
    border:  1px solid black;
    padding:  1em;
    border-radius: 10px;
    box-shadow: 5px 5px 5px gray;
}