@import url(http://fonts.googleapis.com/css?family=Open+Sans:400,300,600);
* {
  margin: 0;
  padding: 0;
}
body {
  background: #111;
  color: #fff;
  font-family: 'Open sans', sans-serif;
  font-weight: 300;
  font-size: 20pt;
}
a {
  color: #fff;
  text-decoration: none;
}

.menu {
  width: 500px auto; /*570*/
  margin: 15px auto;
}
.menu a {
  width: 300px;
  line-height: 180px;
  display: block;
  margin: 15px;
  text-align: center;
  float: left;
  opacity: 0.5;
}
.amber { background: #F0A30A; }
.brown { background: #825A2C; }
.cobalt { background: #0050EF; }
.crimson { background: #A20025; }
.cyan { background: #1BA1E2; }
.magenta { background: #D80073; }
.lime { background: #A4C400; }
.indigo { background: #6A00FF; }
.green { background: #60A917; }
.emerald { background: #008A00; }
.mauve { background: #76608A; }
.olive { background: #6D8764; }
.orange { background: #FA6800; }
.pink { background: #F472D0; }
.red { background: #E51400; }
.sienna { background: #7A3B3F; }
.steel { background: #647687; }
.teal { background: #00ABA9; }
.violet { background: #AA00FF; }
.yellow { background: #D8C100; }