* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 0 1em;
  background: url(../img/background.png) repeat;
  font-family: 'Oxygen', sans-serif;
  text-align: center;
}

h1,
h2 {
  font-weight: normal;
}

.course-name {
  margin-bottom: 0.5em;
}

header,
main,
footer {
  margin-left: auto;
  margin-right: auto;
  background-color: #eec;
  border: 1px solid #997;
  border-radius: 1em;
  margin-top: 1em;
  box-shadow: #000 0 0 2em;
  padding: 1em;
  max-width: 40em;
}

header {
  border-bottom: none;
}

main {
  border-top: none;
  border-bottom: none;
}

footer {
  border-top: none;
  margin-bottom: 1em;
}

.course {
  margin: 1em auto;
}

a,
a:visited {
  color: #006fc6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}