body {background-color: #000000;
		color: #FFFF00;}

header {background-color: #FF0000;
		color: #FFFF00;}
		
h1 {margin-bottom: 0;}
		
nav {background-color: #bbdefb;}

h2 {color: #FFFF00;}

dt {color: #002171;}

.spider {color: #FF6666;}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}