#myHeader {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
  margin-top: -1px;
}

#NavBar {
  float: left;
}

#navbar {
  overflow: hidden;
  background-color: #333;
}

#navbar a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14;
  text-decoration: none;
}

.content {
  padding: 14;
}

.sticky {
  position: fixed;
  top: 0;
  width: 100%;
}

.sticky + .content {
  padding-top: 60px;
}

#BoxHeader {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover {
  background-color: #111;
}

#header {
  border: 1px solid black;
  background-color: lightblue;
  padding-top: 50px;
  padding-right: 30px;
  padding-bottom: 50px;
  padding-left: 80px;
}

#bodies {
  border: 1px solid black;
  background-color: lightblue;
  padding-top: 50px;
  padding-right: 30px;
  padding-bottom: 50px;
  padding-left: 80px;
}

#h1 {
  color:black;
  text-align: center;
  font-size:300%
}

#h2 {
  color:black;
  font-size: 200%
}

p {
  font-size: 125%
}

ul {
  font-size: 125%
}

#list {
  font-size: 125%
}

#code {
  font-family: Consolas,"courier new";
  color: black;
  font-size: 105%;
  background-color: #f1f1f1;
  padding: 2px;
}

.button {
  border: none;
  color: white;
  padding: 16px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  transition-duration: 0.75s;
  cursor: pointer;
}

.button1 {
  background-color: white;
  color: black;
  border: 2px solid #4CAF50;
}

.button1:hover {
  background-color: #4CAF50;
  color: white;
}

.collapsible {
  background-color: #727272;
  color: white;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  border: 1px solid black;
  text-align: left;
  outline: none;
  font-size: 15px;
  font-size: 125%;
}

.collapsible:after {
  content: '\002B';
  color: white;
  font-weight: bold;
  float: right;
  margin-left: 5px;
}

.collapsible.active:after {
  content: '\2212';
}

.content {
  border: 1px solid black;
  background-color: lightblue;
  padding: 0 18px;
  display: none;
  overflow: hidden;
}