ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
   }

  li {
  float: left;
     }

  li a {
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover {
  background-color: powderblue;
}
body{
     background-color: powderblue;
     margin: 0px
    }
    ol {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: "background-color:powderblue";
   }

  li {
  float: left;
     }

  li a {
  display: block;
  color: white;
  text-align: center;
  padding: 5px 5px;
  text-decoration: none;
}

li a:hover {
  background-color: #333;
}
#header{
	  background-color: black;
      padding: 0px;
      text-align: center;
	  font-size: 15px;
	  color:white;

#footer {
   position: fixed;
   bottom: 0;
   width: 100%;
   background-color: black;
   color: white;
   text-align: center;
}