body {
  background-color: #def;
  font-size: 15px;
  min-width: 420px;
  max-width: 1440px;
}

* {
  box-sizing: border-box;
} 

h1 {
  font-size: 20px;
}

h2 {
  font-size: 18px;
}

h3 {
  font-size: 16px;
}

h4 {
  font-size: 15px;
}

img {
  height: 150px;
}

li {
  margin: .2em;
  padding: .2em
}

table {
  border-spacing: 4px;
  background-color: #666;
}

p.wide {
  text-align:justify;  
}

nav {
   display: table-row;
   padding: 1em;
   margin: 1em;
}

aside {
   text-align: left;
}

article {
   margin: 1em;
   padding: 1em;
}

fig {
  display: inline-block;
}

figure {
  display: inline-block;
}