body {
  margin: 0;
  padding: 2em 8em;
  font: 14pt/130% 'Source Sans Pro', Verdana, Geneva, sans-serif;
  color: #444444;
  background-color: #FFFFFF;
  transition: padding 500ms ease;
}
body:before {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4.5em;
  margin: 0;
  padding: 0;
  border-bottom: solid 1px #D1DCD1;
  z-index: -1;
  content: '';
  background:
    url( 'images/eng_paper_bind.png' ) left top repeat-y,
    url( 'images/eng_paper_tile.png' ) 5px top repeat #E0EBE0;
  opacity: 0.5;
  transition: height 500ms ease;
}
h1, h2, h3, h4, h5, h6, p, address, blockquote, pre, ul, ol, dl, form {
  margin: 0.5em 0;
  padding: 0;
}
h1 { font-size: 150%; }
h2 { font-size: 140%; }
h3 { font-size: 130%; }
h4 { font-size: 120%; }
h5 { font-size: 110%; }
h6 { font-size: 100%; }
ul li, ol li {
  margin: 0;
  margin-left: 2em;
}
a {
  color: #FF8000;
  background-color: transparent;
  transition: color 250ms ease;
}
a:hover {
  color: #CC6000;
  background-color: transparent;
}

.photo {
  float: right;
  margin: 0.5em 0 0.5em 2em;
}

#zacnav {
  position: absolute;
  top: -48px;
  right: 8em;
  margin: 0;
  padding: 0;
  list-style: none;
  opacity: 0.33;
  transition: all 500ms ease;
}
#zacnav:hover {
  top: 0;
  opacity: 1.0;
}
  #zacnav li {
    display: inline-block;
    margin: 0 0.2em;
    padding: 0;
  }
  #zacnav a {
    display: inline-block;
    width: calc( 58px + 2em );
    height: calc( 58px + 2em );
    margin: 0;
    padding: 0.5em 1em;
    color: #BBBBBB;
    font-size: 70%;
    font-weight: bold;
    line-height: 100%;
    text-decoration: none;
    background-repeat: no-repeat;
    background-position: 50% calc( 100% - 0.25em );
    background-color: rgba( 140, 140, 140, 0.2 );
    transition: background-color 250ms ease, box-shadow 250ms ease;
  }
  #zacnav a:hover {
    box-shadow: 0 0 4px rgba( 0, 0, 0, 0.2 );
    background-color: rgba( 240, 240, 230, 0.5 );
  }
  #zacnav a[href*="planetzac"] {
    background-image: url( 'images/pz.png' );
  }
  #zacnav a[href*="google"] {
    background-image: url( 'images/gplus.png' );
  }
  #zacnav a[href*="linkedin"] {
    background-image: url( 'images/linkedin.png' );
  }
  #zacnav a[href*="github"] {
    background-image: url( 'images/github.png' );
  }
  #zacnav a[href*="connect"] {
    background-image: url( 'images/connect.png' );
  }

@media screen and (max-width: 1024px) {
  body {
    padding: 1em 4em;
  }
  body:before {
    height: 3.5em;
  }
  #zacnav {
    right: 4em;
  }
}

@media screen and (max-width: 768px) {
  body {
    padding: 1em;
  }
  .photo {
    float: none;
    margin: 0.5em 0;
    text-align: center;
  }
  #zacnav {
    right: 1em;
  }
}