body {
  font-family: arial;
}
.navbar {
  background: #333;
  width: 100%;
  z-index: 999;
}
.navbar ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #222255;
  background: #505050;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
}
.navbar li {
  float: left;
  display: inline-block;
  border-right: 1px solid #bbb;
}
.navbar li a {
  display: block;
  color: yellow;
  color: #FFFF00;
  text-align: left;
  padding: 8px 14px;
  text-decoration: none;
}
.navbar li a:hover {
  background-color: red;
}

.footer {
  background-color: #333;
  width: 100%;
}
.footer ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  background: green;
  background: #2F7D1C;
  background: #405840;
  overflow: hidden;
  position: relative;
  bottom: 0;
  width: 100%;
}
.footer li {
  display: inline-block;
  border-right: 1px solid #bbb;
}
.footer li a {
  display: block;
  color: yellow;
  color: #FFFF00
  text-align: left;
  padding: 8px 10px;
  text-decoration: none;
}

.main {
  background: #3030D0;
  background: #9B6F6F;
  background: #736838;
  padding:10px;
  margin-top: 0px;
  font-family: arial;
  width: 100%;
}
.main h1 {
  color: #3333FF;
  color: #E0E0E0;
  color: #FFFFFF;
  margin-left: 20px;
  font-size: 200%;
  margin-top: 20px;
  margin-bottom: 10px;
  }
.main h2 {
  color: #008000;
  color: #3333FF;
  margin-top: 10px;
  margin-left: 20px;
  margin-bottom: 0;
}
.main h3 {
  color: #E0E0E0;
  margin-top: 10px;
  margin-left: 10px;
  margin-bottom: 0;
  font-size: 160%;
  padding:0px;
}
.main p {
  color: #D0D0D0;
  color: #F8F8F8;
  margin-top: 0px;
  margin-left: 30px;
  padding:10px;
}

.popup {
  background: #e0e0e0;
  font-family: arial;
}
.popup h2 {
  color: #008000;
  color: #3333FF;
  padding:10px;
  margin-top: 0px;
  margin-left: 20px;
}
.popup p {
  color: black;
  margin-top: 0px;
  margin-bottom: 0px;
  padding:20px;
}
.schbtn {
 background-color: steelblue; 
 text-decoration: none; 
 border: 1px solid steelblue; 
 border-radius: 5px; 
 padding: 5px; 
 color: white; 
 display: block; 
 font-size: medium !important; 
 text-align: center; 
 text-decoration: none;
}