index.css

html {
  height: 100%;
}

body {
  width: 900px;
  height: 100%;
}

header {
  background-color: pink;
  padding: 5px;
  font-size: 20px;
  font-family: cursive;
  display: block;
}

nav {
  background-color: pink;
  float: left;
}

nav ul {
  width: 860px;
  padding-right:;
  float: left;
  border-bottom: ;
  list-style-type: none;
}

nav li {
  float: left;
}

nav li a {
  display: block;
  height: 25px;
  padding: 12px 18px 8px 18px;
  vertical-align: middle;
}

a {
  color: ;
}

section {
  background-color: pink;
  width: 80%;
  height: 100%;
  display: inline-block;
  float: left;
}

aside {
  width: 20%;
  display: inline-block;
  background-color:beige;
  margin:;
  min-height: 100%;
}
.address {
  margin: 5px;
}
.quote {
  font-size: 20px;
  font-family: monospace;
  margin: 10px;
}
aside ul {
  list-style-type: none;
}

footer {
  width: 900px;
  background-color:beige;
  color:;
  clear: both;
  display: block;
}