body {
  /* this is a css */
  background-color: #c5fcef;
  color: #313657;
  font-family: "Courier New", Courier, monospace;

  /* EVERYTHING IS A BOX */

  /* MARGIN */
  /* BORDER */
  /* PADDING */
  /* CONTENT */
  /* PADDING */
  /* BORDER */
  /* MARGIN */
}

main {
  width: 80%;
  max-width: 600px;
  margin: auto;
}

img {
  width: 100%;
}

a {
  color: #bf2e02;
  font-weight: bold;
}

a:hover {
  color: white;
  background-color: black;
}

/* only apply these rules to any
   html elements with class="video"
*/
.video {
  text-align: center;
}

h1 {
  border: 5px dashed black;
  margin: 5px;
  padding: 10px;
  text-align: center;
}

h2 {
  border-bottom: 3px dashed black;
  text-align: center;
}