table {
  margin: 0px 0px;
  padding-right: 10px;
}
th {
  margin: 0px 0px;
  padding-top: 0px;
  padding-bottom: 0px;
  padding-left: 0px;
  padding-right: 10px;
}
td {
  margin: 0px 0px;
  padding-top: 2px;
  padding-bottom: 0px;
  padding-left: 0px;
  padding-right: 10px;
  vertical-align: top;
}
th.selector_type {
  width: 75px;
}
th.selector_example {
  width: 110px;
}
td.html_tag {
  width: 170px;
}

table.layout {
  width: 300px; /* should be 100% */
  height: 300px; /* should be ~800px */
}
td.layout_header, td.layout_navbar, td.layout_footer {
  height: 30px;
  text-align: center;
  padding-left: 5px;
  padding-right: 5px;
  border: 1px solid black;
}
td.layout_left, td.layout_right {
  text-align: left;
  padding-left: 5px;
  padding-right: 5px;
  border: 1px solid black;
}
td.layout_center {
  width: 70%;
  text-align: center;
  padding-left: 5px;
  padding-right: 5px;
  border: 1px solid black;
}