/* Fall back colors? Eg educator, talks & interviews */
.clearfix {
  *zoom: 1;
}
.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
  line-height: 0;
}
.clearfix:after {
  clear: both;
}
.hide-text {
  font: 0/0 a;
  color: transparent;
  text-shadow: none;
  background-color: transparent;
  border: 0;
}
.input-block-level {
  display: block;
  width: 100%;
  min-height: 30px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
#khanType {
  /* Used to style the topic title on a topic page, eg
  "Introduction to algebra" on /math/algebra/introduction-to-algebra.
  Also used for the tutorial title on tutorial landing pages.
  Not restricted to styling the titles of "Topic" entities. */
}
.vertical-shadow {
  border: 1px solid #ccc;
  border-bottom: 1px solid #aaa;
  box-shadow: 0 1px 3px #ccc;
}
html.page-container-min-width-zero body,
html.page-container-min-width-zero #page-container {
  min-width: 0;
}
.periodic-table-element-info {
  height: 106px;
  left: 50%;
  margin-left: -361px;
  margin-top: 199px;
  position: absolute;
  top: 0;
  width: 538px;
  z-index: 1050;
}
.periodic-table-body table {
  border-collapse: separate;
  border-spacing: 2px;
  empty-cells: show;
  margin-left: auto;
  margin-right: auto;
}
.periodic-table-body table:first-of-type {
  margin-bottom: 15px;
}
.periodic-table-body table td {
  height: 48px;
  line-height: 1.2;
  padding: 2px;
  text-align: center;
  vertical-align: middle;
  width: 48px;
  position: relative;
}
.periodic-table-body table td .atomic-num {
  font-size: 12px;
}
.periodic-table-body table td .symbol {
  font-weight: bold;
  font-size: 18px;
}
.periodic-table-body table td .weight {
  font-size: 11px;
}
.periodic-table-body table td.marker {
  background-color: #ddd;
}
.periodic-table-body table td.non-metal {
  background-color: #d0bbd8;
}
.periodic-table-body table td.other-metal {
  background-color: #9eb5c6;
}
.periodic-table-body table td.metalloid {
  background-color: #f4e4d7;
}
.periodic-table-body table td.transition-metal {
  background-color: #9cdceb;
}
.periodic-table-body table td.unknown {
  background-color: #999;
}
.periodic-table-body table td.cutoff::before,
.periodic-table-body table td.cutoff::after {
  content: " ";
  display: block;
  position: absolute;
  background-color: black;
}
.periodic-table-body table td.cutoff::before {
  width: 2px;
  top: -2px;
  left: -2px;
  bottom: -2px;
}
.periodic-table-body table td.cutoff::after {
  height: 2px;
  bottom: -2px;
  left: -2px;
  right: -2px;
}