@charset "utf-8";
ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #d7e4c2;
}
 {
  box-sizing: border-box;
 }
body {
 background-color: #d7e4c2;
}
nav {
  float: left;
  width: 15%;
  height: 300px; 
  background: #d7e4c2;
  padding: 20px;
}
li a {
  display: block;
  color: #41393d;
  text-align: left;
  padding: 16px;
  text-decoration: none;
}
li a:hover {
  background-color: #8a8c8f;
}

h1{text-align:center;}
h2{text-align:center;}
h3{text-align:center;}/* CSS Document */