* {
  margin: 0;
  padding: 0;
}

html {
  background-color: #ffffff;
  font-family: "Helvetica Neue", "Segoe UI", Segoe, Helvetica, Arial, "Lucida Grande", sans-serif;
  font-size: 16px;
}

body, h1, h2, h3, p {
  width: 90%;
  margin: auto;
}

h1 {
  font-size: 200%;
  font-weight: 300;
  margin-bottom: 20px;
}

h2 {
  font-size: 160%;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 20px;
}

h3 {
  font-size: 160%;
  font-weight: bold;
  margin-bottom: 20px;
}

p {
  font-size: 120%;
  font-weight: 300;
  line-height: 1.3;
  margin-bottom: 20px;
}

em {
  font-weight: bold;
  font-style: normal;
}

small {
  font-size: 80%;
  font-weight: 300;
}

a {
  color: #3282e6;
  text-decoration: none;
}

.container {
  display: flex;
  width: 100%;
  max-width: 1170px;
  min-width: 500px;
  margin-left:  auto;
  margin-right:  auto;
  margin-top: 40px;
  padding-right: 15px;
  padding-left: 15px;
}

.coursecontainer {
  display: block;
  width: 100%;
  max-width: 1170px;
  min-width: 500px;
  margin-left:  auto;
  margin-right:  auto;
  margin-top: 40px;
  padding-right: 15px;
  padding-left: 15px;
}

.left {
  width: 75%;
  text-align: left;
}

.right {
  width: 25%;
  text-align: center;
}

.tab {
  width: 100%;
  max-width: 1170px;
  margin-left:  auto;
  margin-right:  auto;
  margin-top: 20px;
  margin-bottom: 10px;
  overflow: hidden;
  background-color: #eee;
  outline: none;
  border-radius: 15px;
}

.tab button {
  font-size: 20px;
  font-weight: 300;
  width: 25%;
  background-color: inherit;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 14px 14px 14px; 
  transition: 0.3s;
  border-radius: 15px;
}

.tab button:hover {
  background-color: #ddd;
}

.tab button.active {
  background-color: #ccc;
}

.tabcontent {
  margin-left:  auto;
  margin-right:  auto;
  margin-top: 20px;
  margin-bottom: 50px;
  max-width: 1170px;
  display: none;
}

table {
  width: 100%;
}

th {
  padding-bottom: 10px;
}

td {
  vertical-align: top;
  padding: 8px 8px 8px 8px; 
  font-size: 16px;
  font-weight: 300;
}

.annotated-list {
  margin-left:  auto;
  margin-right:  auto;
  max-width: 1170px;
}

.annotated-list button {
  width: 100%;
  font-size: 16px;
  font-weight: 300;
  background-color: #eee;
  border: none;
  border-radius: 10px;
  outline: none;
  cursor: pointer;
}

#content_desktop {display: block;}
#content_mobile {display: none;}

@media screen and (max-width: 1100px) {
  body, h1, h2, h3, p {width: 95%; margin: auto;}
  h2 {font-size: 140%;}
  p {font-size: 100%;}
  #content_desktop {display: none;}
  #content_mobile {display: block;}

}