.column,
.columns {
  background: #eee;
  border-right: 1px solid #aaaaaa;
  border-bottom: 1px solid #aaaaaa;
  padding: 1em;
}
.column:first-child,
.columns:first-child {
  border-left: 1px solid #aaaaaa;
}

body {
  margin: 0 auto;
  background: white;
  color: #3a3a3a;
}

hr {
  border-top: 1px solid #aaaaaa;
  border-bottom: 0;
  border-right: 0;
  border-left: 0;
  clear: both;
  height: 1px;
  margin: 1.5em 0;
  min-height: 0;
}

header {
  background: #f2f2f2;
  border-bottom: 1px solid #ccc;
  padding: 0.25em 0;
  margin-bottom: 2em;
}

.env {
  max-width: 1140px;
  margin: 0 auto;
}