.exercise,
.vars,
#next {
  display: none;
}
p.question {
  font-weight: bold;
}
var {
  font-style: normal;
}

.hint_blue {
  color: #6495ed;
}
.hint_orange {
  color: #ffa500;
}
.hint_pink {
  color: #ff00af;
}
.hint_red {
  color: #df0030;
}
.hint_green {
  color: #28ae7b;
}
.hint_gray {
  color: gray;
}
.hint_purple {
  color: #9d38bd;
}

.last-hint {
  font-weight: bold;
}

div.subhint {
  border: 1px solid #aaaaaa;
  background: #f9f9f9;
  display: none;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  border-radius: 4px;
  margin-left: 20px;
  margin-right: 20px;
  padding: 10px;
}

a.show-subhint {
  font-size: 12px;
  font-style: italic;
  background-color: #fdfdfd;
}

a.show-definition {
  background-color: #fdfdfd;
}

div.definition {
  position: absolute;
  border: 1px solid #aaaaaa;
  background: #f9f9f9;
  display: none;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  border-radius: 4px;
  margin-left: 20px;
  margin-right: 20px;
  padding: 10px;
  z-index: 1000;
}

#workarea {
  margin-left: 30px;
}
#hintsarea {
  margin-left: 50px;
}
.solutionarea ul {
  list-style: none;
}
.solutionarea li {
  padding: 7px 0;
}
.solutionarea li label {
  display: block;
}
.solutionarea li input[type="radio"] {
  float: left;
  margin-top: 4px;
}
.solutionarea li .value {
  display: block;
  min-height: 22px;
  margin-left: 18px;
}

#extras li {
  display: inline;
}
#extras li:before {
  content: "| ";
}
#extras li:first-child:before {
  content: "";
}

#scratchpad-show {
  position: relative;
  z-index: 1;
}

#answer_area #check-answer-results {
  overflow: hidden;
  margin: 5px 0;
}
#answer_area #check-answer-results .check-answer-message {
  font-size: 12px;
  line-height: 20px;
  margin: 0;
}
#sad,
#happy {
  float: left;
  margin: 0 6px 4px 0;
}

.examples {
  color: #777;
  margin-left: 20px;
  list-style-type: disc;
}
.examples li {
  margin: 5px 0;
}

#problemarea {
  font-size: 14px;
  width: 70%;
  min-height: 378px;
  position: relative;
  float: left;
  padding-bottom: 38px;
}

#solution {
  font-size: 14px;
}
#solution label {
  display: block;
  white-space: nowrap;
}

#tester-info {
  border: 1px solid #aaa;
  background: #f0f0f0;
  padding: 10px;
  margin: 10px 0;
}
#debug var {
  font: 14px Menlo, Courier, monospace;
  word-wrap: break-word;
}

code {
  font-family: Menlo, Courier, monospace;
}
table.limit {
  margin: 5px;
}
table.limit th {
  font-weight: bold;
  text-align: center;
}
table.limit td {
  border: 1px solid #aaa;
}
table.limit th,
table.limit td {
  padding: 5px;
}
table.limit th:first-child {
  text-align: right;
}

.solutionarea input[type="text"],
.solutionarea input[type="number"] {
  width: 80px;
}
.solutionarea .short20 input[type="text"],
.solutionarea .short20 input[type="number"] {
  width: 20px;
}
.solutionarea .short25 input[type="text"],
.solutionarea .short25 input[type="number"] {
  width: 25px;
}
.solutionarea .short28 input[type="text"],
.solutionarea .short28 input[type="number"] {
  width: 28px;
}
.solutionarea .short30 input[type="text"],
.solutionarea .short30 input[type="number"] {
  width: 30px;
}
.solutionarea .short32 input[type="text"],
.solutionarea .short32 input[type="number"] {
  width: 32px;
}
.solutionarea .short35 input[type="text"],
.solutionarea .short35 input[type="number"] {
  width: 35px;
}
.solutionarea .short40 input[type="text"],
.solutionarea .short40 input[type="number"] {
  width: 40px;
}
.solutionarea .short50 input[type="text"],
.solutionarea .short50 input[type="number"] {
  width: 50px;
}
#readonly {
  display: none;
}

.radical .surd {
  font: 150% Arial;
  padding: 0 0 0 5px;
}
.radical .overline {
  border-top: 1px solid #000;
  padding: 6px 1px 0 3px;
  margin-left: -1px;
}
.solutionarea .radical input[type="text"],
.solutionarea .radical input[type="number"] {
  width: 40px;
}

body.debug .graphie {
  outline: 1px dashed #fdd;
}
.graphie svg {
  position: absolute;
  top: 0;
  left: 0;
}

#scratchpad {
  display: none;
  margin: 0 10px;
  overflow: hidden;
  padding-bottom: 40px;
}
#scratchpad div {
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  border: 1px solid #ccc;
  height: 100%;
  position: absolute;
  width: 100%;
  z-index: 1;
}

#scratchpad-not-available {
  display: none;
}
#extras .report-issue-link {
  float: right;
}

#tester-info.info-box {
  background: #f2e4bf;
}
#tester-info .box {
  border: 1px solid black;
  padding: 2px 4px;
  margin-left: 5px;
}
#tester-info .group-box {
  border: 1px solid #aaa;
  padding: 6px 4px 6px 0px;
  margin-left: 2px;
}

#browserwarning {
  background: white;
  margin: 0 1px;
  padding: 18px;
  font-size: 120%;
  text-align: center;
}

#answer_area .answer-buttons input.simple-button,
#answer_area input.simple-button.full-width {
  width: 100%;
}
#answer_area #answercontent {
  position: relative;
  z-index: 2;
} /* above-scratchpad */
#answer_area .hint-box {
  position: relative;
  z-index: 1;
}

#problemarea a:link,
#problemarea input,
#problemarea label,  /* HACK(aria): for radios */
#problemarea select {
  /* for dropdowns */
  position: relative;
  z-index: 3; /* interactive-content */
}

#answer_area .calculator {
  width: 181px;
  margin: 0 auto;
}

.calculator-angle-mode .selected-anglemode {
  color: #050505;
}

.calculator-angle-mode .unselected-anglemode {
  color: #bbbbbb;
}

#answer_area .calculator .history {
  font: 14px/1.5 Menlo, Monaco, Courier, monospace;
  margin: 0 0 10px;
  width: 183px;

  background-color: white;
  border-radius: 5px;
}

#answer_area .calculator .history #calc-output-content {
  position: absolute;
  bottom: 0px;
  width: 100%;
  overflow-y: scroll;
  overflow-x: hidden;
  max-height: 80px;
}

#answer_area .calculator .history #calc-output {
  height: 80px;
  text-align: left;
  overflow-y: hidden;
  overflow-x: hidden;
  position: relative;
}

#answer_area .calculator .history .output {
  text-align: right;
  margin-right: 3px;
}

#answer_area .calculator .history input {
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  display: block;
  font: inherit;
  margin: 5px 3px 3px;
  width: 98%;
  padding-left: 25px;
  padding-right: 8px;
  text-align: right;
  border: none;
  outline-width: 0;
}

#answer_area .calculator .history .input {
  position: relative;
}

#answer_area .calculator .history .input-history {
  position: relative;
  margin-left: 3px;
}

#answer_area .calculator .history .status a {
  position: absolute;
  font: 10px/1.5 Menlo, Monaco, Courier, monospace;
  color: #999;
  text-decoration: none;
  line-height: 9px;
  height: 19px;
  top: 5px;
  left: 6px;
}

#answer_area .calculator .keypad .calc-row {
  margin: 5px 0;
}

#answer_area .calculator .keypad .calc-row a {
  background: #ccc;
  border-radius: 2px;
  color: #000;
  display: inline-block;
  margin: 0 5px 0 0;
  text-align: center;
  text-decoration: none;
  width: 31px;
}

#answer_area .calculator .keypad .calc-row a:hover {
  background: #bbb;
}

#answer_area .calculator .keypad .calc-row a:active {
  background: #aaa;
}

#answer_area .calculator .keypad .calc-row a.dark {
  background: #aaa;
}

#answer_area .calculator .keypad .calc-row a.dark:hover {
  background: #999;
}

#answer_area .calculator .keypad .calc-row a.dark:active {
  background: #888;
}

#answer_area .calculator .keypad a sup {
  vertical-align: super;
  font-size: 80%;
  line-height: 0;
}

#answer_area .calculator .keypad a.wide {
  width: 67px;
}

#solutionarea {
  min-height: 35px;
  padding: 10px;
  margin: 0 -10px;
  border-bottom: 1px solid #c3c3c3;
  overflow: visible;
}

.workarea #solutionarea {
  border-bottom: 0;
  padding-bottom: 0;
  padding-top: 0;
}

#answer_area .answer-buttons {
  margin: 0 -10px;
  padding: 10px 10px 0;
  position: relative;
}

#show-prereqs-button {
  margin-top: 15px;
}

#positive-reinforcement img {
  width: 28px;
  position: absolute;
  top: 7px;
  left: 5px;
  cursor: pointer;
}

#answer_area input.simple-button[disabled="disabled"] {
  opacity: 0.5;
  filter: alpha(opacity = 50);
  cursor: default;
}
#answer_area input.simple-button[disabled="disabled"]:hover {
  color: #fff !important;
}
#answer_area input.simple-button.orange[disabled="disabled"]:hover {
  border-color: #bf4f04 !important;
  border-bottom-color: #803503 !important;
}
#answer_area input.simple-button.green[disabled="disabled"]:hover {
  border-color: #76a005 !important;
  border-bottom-color: #557303 !important;
}

.simple-button.disabled {
  opacity: 0.5;
  filter: alpha(opacity = 50);
  cursor: default;
}

#hint-remainder {
  color: #777;
}

#footer .simple-button,
.info-box .simple-button {
  padding: 3px 10px;
  top: -1px;
}
.info-box .simple-button {
  top: 0;
}

#issue #issue-status.error {
  font-weight: bold;
  color: #a21;
  font-size: 1.2em;
}
#issue-link {
  font-style: italic;
}
#issue .issue-form input[type="text"] {
  display: block;
  width: 98%;
}
#issue .issue-form textarea {
  display: block;
  width: 98%;
  height: 100px;
}
#issue-cancel {
  float: right;
}
#issue fieldset {
  list-style: none;
  border: 1px solid rgba(0, 0, 0, 0.3);
  padding-left: 10px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  border-radius: 5px;
  line-height: 22px;
  margin-bottom: 3px;
}
#issue fieldset legend {
  padding-left: 5px;
  padding-right: 5px;
}
#issue fieldset label {
  display: inline;
}
#issue fieldset li {
  margin-top: 0px;
  margin-bottom: 0px;
}

var,
div.graphie {
  white-space: pre;
}

#throbber {
  position: relative;
  top: 4px;
  left: 4px;
}
#issue-throbber {
  position: relative;
  top: 3px;
}

.exp input {
  vertical-align: super;
  font-size: 9px;
  height: 11px;
}

.correct-activity {
  background-color: #69bb00;
  text-shadow: 0 -1px 0 #557303;
}

.incorrect-activity {
  background-color: #e12c2d;
  text-shadow: 0 -1px 0 #921118;
}

.hint-activity {
  background-color: #f19726;
  text-shadow: 0 -1px 0 #b55c00;
}

.user-activity {
  margin: 8px;
  padding: 2px 5px;
  border: 1px solid #999;
  border-radius: 4px;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  float: left;
  cursor: pointer;
  color: white;
}

.user-activity input {
  cursor: pointer;
}

div.timeline-time {
  float: left;
  padding-top: 10px;
}

div.timeline-time:before {
  padding: 3px;
  content: "~";
}

div.timeline-time:after {
  padding: 3px;
  content: "~";
}

div.timeline-total {
  border-top: 1px solid #999;
}

#timelinecontainer {
  border: 1px solid #c6d1ad;
  border-top: 0px;
  position: relative;
}

#timelinecontainer:before,
#timelinecontainer:after {
  content: "";
  display: table;
}

#timelinecontainer:after {
  clear: both;
}

#timelinecontainer {
  zoom: 1;
}

#timeline {
  overflow: hidden;
  position: absolute;
  left: 265px;
  right: 225px;
  border-left: 1px solid #c6d1ad;
  border-right: 1px solid #c6d1ad;
}

#timeline-events {
  width: 10000px;
}

/* Allow the timeline to scroll all the way to the end with a little margin */
#timeline-events:after,
#timeline-events:before {
  content: "";
  display: block;
  width: 1px;
  height: 1px;
  float: left;
}

#timeline p {
  margin: 0;
}

#previous-problem {
  margin: 5px;
  cursor: pointer;
  float: left;
  width: 100px;
}

#previous-step {
  margin: 5px;
  cursor: pointer;
  float: left;
  width: 100px;
}

#next-step {
  margin: 5px;
  cursor: pointer;
  float: right;
  width: 80px;
}

#previous-step span {
  /* TODO: This image doesn't exist for us, and fails the build! */
  /* background: url(/images/previous-step.png) no-repeat 0 50% transparent; */
  padding: 4px 0 4px 25px;
}

#next-step span {
  /* TODO: This image doesn't exist for us, and fails the build! */
  /* background: url(/images/next-step.png) no-repeat 100% 50% transparent; */
  padding: 4px 25px 4px 0;
}

#next-problem {
  margin: 5px;
  cursor: pointer;
  float: right;
  width: 80px;
}

.user-activity.activated {
  border: 2px solid #888;
}

/* Version of the site used by Khan/exercise-browser for the iframe preview */

html.exercise-browser {
  overflow-x: hidden;
  overflow-y: hidden;
}

.exercise-browser body {
  min-width: 0;
  width: 790px;
  overflow-x: hidden;
  overflow-y: auto;
}

.exercise-browser header,
.exercise-browser footer,
.exercise-browser .topic-exercise-badge,
.exercise-browser #extras,
.exercise-browser .exercises-stack,
.exercise-browser .related-video-box {
  display: none !important;
}

.exercise-browser #outer-wrapper,
.exercise-browser #page-container,
.exercise-browser #page-container-inner {
  background: #ffffff;
}

.exercise-browser article {
  border: none;
}

.exercise-browser #container.single-exercise {
  min-width: 0;
}

.exercise-browser #page-container {
  width: 790px;
  min-width: 0;
}

.exercise-browser .problem-types {
  margin-right: 20px;
}

.exercise-browser .problem-type-link {
  display: block;
  margin-bottom: 5px;
  padding: 6px;
  background: #36a6c4;
  border-radius: 5px;
  border: 1px solid #7fc8e6;
  color: white;
}

.exercise-browser .problem-type-link:hover {
  color: white;
  background: #1c758c;
  text-decoration: none;
}

.exercise-browser .problem-type-link:visited {
  color: #c2eaff;
  text-decoration: none;
}

.lite header,
.lite footer,
.lite #extras,
.lite .exercise-badge,
.lite .hint-box,
.lite .related-video-box {
  display: none !important;
}

.lite #page-container,
.lite #container {
  min-width: 0;
  border-width: 0;
}

.lite #streak-bar-container {
  position: absolute;
  top: 10px;
  left: 15px;
}

.lite #answercontent {
  position: absolute;
  right: 5px;
  top: 12px;
  padding: 0px;
  border: none;
  -webkit-box-shadow: none;
  overflow: visible;
}

.lite #answercontent > * {
  float: left;
  margin-right: 10px;
}

/* TODO: Find a better way to display these. */
.lite #throbber,
.lite #check-answer-results {
  display: none !important;
}

.lite #answercontent .info-box-header {
  font-size: 16px;
}

.lite #answercontent .examples {
  display: none !important;
}

.lite .ui-icon {
  width: 18px;
  height: 18px;
}

.lite h1 {
  font-family: inherit;
}

.lite #solutionarea input {
  font-size: 14px;
}

.lite #answercontent .simple-button {
  margin-top: -5px;
  color: #fff !important;
  font-size: 14px;
  text-shadow: none;
}

#warning-bar {
  width: 100%;
  height: 35px;
  text-align: center;
  font-size: 15px;
  display: none;
  padding: 6px 0;
  position: relative;
  z-index: 2;
}

#warning-bar span {
  position: relative;
  top: 5px;
}

#warning-bar-close {
  top: 5px;
  float: right;
  right: 20px;
  position: relative;
}

#warning-bar-content a {
  text-decoration: underline;
}

#warning-bar.error {
  background-color: #d61914;
  color: #eee;
}

#warning-bar.error a {
  color: #eee;
}

#warning-bar.warning {
  background-color: #f5e722;
  color: #222;
}

#warning-bar.warning a {
  color: #222;
}

/* Faux table styles that allow revealing data row by row in hints */

.fake_header > span {
  font-weight: bold;
  display: inline-block;
  padding-left: 10px;
  border-bottom: 2px solid #cccccc;
}

.fake_row > span {
  display: inline-block;
  padding-top: 5px;
  padding-bottom: 5px;
  padding-left: 10px;
  border-bottom: 1px solid #ddd;
}

.fake_row:nth-child(n) > span {
  border-bottom: none;
}

.fake_row:nth-child(2n + 1) > span {
  background-color: #f3f3f3;
}

#timelinecontainer .simple-button {
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -o-user-select: none;
  user-select: none;
  white-space: nowrap;
}

.thumbnail a {
  outline: none;
  color: #fff;
}

.thumbnail a:hover {
  text-decoration: none;
}

.thumbnail div.thumb {
  background-size: 200px 150px;
  background-position: no-repeat top left;
  background-position: 0px -25px;
  background-position-y: -80px\9;
  background-position-x: -100px\9;
  width: 200px;
  height: 100px;
  border: 1px solid #aaa;
  -webkit-box-shadow: 0 0 3px #ccc;
  -moz-box-shadow: 0 0 3px #ccc;
  box-shadow: 0 0 3px #ccc;
  margin-left: 14px; /* to line up with other titles */
  margin-bottom: 8px;
  margin-top: 4px;
}

.thumbnail div.thumbnail_label {
  padding: 5px 10px;
  max-width: 180px;
  margin: 0;
  text-align: left;
  margin-top: 68px;
  background: #333;
  background-color: rgba(30, 30, 30, 0.9);
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
}

.thumbnail div.thumbnail_desc {
  width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thumbnail div.thumbnail_teaser {
  height: 0px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  text-decoration: none;
  font-size: 11px;
}

.sortable {
  background: #eee;
  border: 1px solid #ccc;
  border-bottom: 1px solid #aaa;
  padding: 13px;
  position: relative;
  z-index: 2;

  box-shadow: 0 1px 2px #ccc;
  -moz-box-shadow: 0 1px 2px #ccc;
  -webkit-box-shadow: 0 1px 2px #ccc;
}

.sortable > ul {
  list-style-type: none;
}

.sortable > ul > li {
  background-color: #fff;
  border: 1px solid #b9b9b9;
  border-bottom-color: #939393;
  border-radius: 4px;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  cursor: pointer;
  margin-right: 4px;
  min-width: 65px;
  height: 65px;
  text-align: center;
  font-size: 1.2em;
  float: left;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -o-user-select: none;
  user-select: none;
}

.sortable > ul > li.placeholder {
  background: #ddd;
  border: 0;
  border: 1px solid #ccc;
  float: left;
}

.sortable code {
  line-height: 65px;
}

.sortable > ul > li:hover {
  border-color: #ffa500;
  box-shadow: 0 0 4px #c56f00;
  -moz-box-shadow: 0 0 4px #c56f00;
  -ms-box-shadow: 0 0 4px #c56f00;
  -o-box-shadow: 0 0 4px #c56f00;
  -webkit-box-shadow: 0 0 4px #c56f00;
}

.sortable > ul > li:active,
.sortable > ul > li.dragging {
  background-color: #ffedcd;
  opacity: 0.8;
  filter: alpha(opacity = 80);
}

.box-whisker-sortable > .sortable {
  background: #f8f8f8;
  border: 0;
  border-bottom: 0;
  box-shadow: 0 0 0;
  -moz-box-shadow: 0 0 0;
  -webkit-box-shadow: 0 0 0;
  padding-right: 0;
}

.box-whisker-sortable > .sortable > ul > li {
  width: 28px;
  min-width: 28px;
  height: 28px;
  margin-right: 2px;
  font-size: 1em;
  border: 1px solid #ddd;
}
.box-whisker-sortable > .sortable code {
  line-height: 32px;
}

#problemarea div#congruent-triangles {
  outline-color: #999;
  outline-style: dashed;
  outline-width: 1px;
}

/* Video hints */

.video-hint {
  margin-bottom: 20px;
}

/* Question-based hints */

.qhint {
  border: 1px solid #aaaaaa;
  background: #f9f9f9;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  border-radius: 4px;
  margin-right: 20px;
  margin-bottom: 20px;
  padding: 10px;
}

.qhint-answer {
  display: none;
}

.qhint-feedback {
  font-weight: bold;
  color: #6495ed;
}

.qhint-feedback.correct {
  color: #28ae7b;
}

.qhint-feedback.incorrect {
  color: #ce4444;
}

/*Worked example hints*/
.example-hint {
  margin-bottom: 15px;
}
/* Fancy matrix input - goes along with matrix-input.js */

.matrix-input {
  padding: 15px;
  margin-top: 10px;
  background-color: #eee;
  width: 165px;
}

.solutionarea .matrix-row {
  float: left; /* contain inner floats */
  clear: both;
}

.solutionarea .matrix-row .sol {
  margin: 0;
  float: left;
}

.solutionarea .matrix-row .sol input[type="text"],
.solutionarea .matrix-row .sol input[type="number"] {
  width: 45px;
  height: 30px;
  border: none;
  margin: 3px;
  padding: 1px;
}

.matrix-input .matrix-bracket {
  width: 6px;
  position: absolute;
  border-top: 2px solid #888;
  border-bottom: 2px solid #888;
  /* margin-top must have the same magnitude
       as the border widths */
  margin-top: -2px;
}

.matrix-input .matrix-bracket.bracket-left {
  border-left: 2px solid #888;
  /* margin-left for the left bracket must have
       the same magnitude as the border widths */
  margin-left: -2px;
}

.matrix-input .matrix-bracket.bracket-right {
  border-right: 2px solid #888;
}

.matrix-input:after {
  content: "";
  display: block;
  clear: both;
  visibility: hidden;
  overflow: hidden;
  height: 0;
}

table.periodic-table td.element {
  border: 1px solid;
  min-width: 37px;
  min-height: 37px;
  text-align: center;
  line-height: 1.2;
}

table.periodic-table td.element div.atomic-num {
}
table.periodic-table td.element div.symbol {
  font-weight: bold;
}
table.periodic-table td.element div.weight {
  font-size: 10px;
}

.plugging_in_values > span {
  width: 80px;
}
table.plugging_in_values_hint td {
  padding-left: 40px;
}

span.hover-hint {
  color: #005987;
  border-bottom: 1px dashed #005987;
}
span.hover-hint:hover {
  color: #678d00;
  border-bottom: 1px dashed #678d00;
  cursor: pointer;
}

.vis-deriv-hint-graph {
  display: block;
  float: left;
  margin-right: 50px;
}

#problemarea .quarter-graph {
  float: left;
  margin-bottom: 45px;
  margin-right: 45px;
}

#problemarea .estimation span {
  width: 100px;
}
#problemarea .estimation span:first-child {
  width: 50px;
}

#solutionarea table.rational-exp td {
  text-align: center;
  vertical-align: middle;
  padding-left: 4px;
  padding-right: 4px;
}
#solutionarea table.rational-exp td.soln-top {
  padding-bottom: 1px;
}
#solutionarea table.rational-exp td.soln-bot {
  padding-top: 1px;
  border-top: 1px solid black;
}

#solutionarea table.rational-exp td.soln-dom {
  padding-left: 3px;
}

#problemarea div.z-score-table > span {
  width: 32px;
  font-size: 11px;
  padding: 5px;
}

#problemarea div.z-score-table > span:first-child {
  font-weight: bold;
  width: 22px;
  border-right: 2px solid #cccccc;
}

#problemarea div.focus-information {
  padding-bottom: 12px;
  height: 70px;
  clear: both;
}

#problemarea div.focus-information div {
  display: block;
}
#problemarea div.focus-information-column-left {
  float: left;
  width: 30%;
}
#problemarea div.focus-information-column-right {
  float: right;
  width: 55%;
}

#problemarea .reading-tables > span {
  text-align: center;
  width: 65px;
}
#problemarea .reading-tables > span:first-child {
  text-align: left;
  width: 100px;
}

#problemarea .reading > span {
  width: 32px;
  font-size: 11px;
  padding: 5px;
}

#problemarea .reading.fake_header > span {
  text-align: center;
}

#problemarea .reading > span:first-child {
  font-weight: bold;
  width: 22px;
  border-right: 2px solid #cccccc;
}

#problemarea .problem .graph-caption {
  display: block;
  margin-top: 10px;
  margin-bottom: 30px;
}

#solutionarea .intuition-equation td {
  text-align: right;
  padding-left: 5px;
}

.question li span.sort-key {
  visibility: hidden;
  position: absolute;
}

.problem table.problem-equation td {
  padding-left: 3px;
  padding-right: 3px;
  text-align: center;
}
.problem table.problem-equation input {
  width: 25px;
  margin-right: 5px;
  vertical-align: super;
}

#coin-flip-sequence-charts {
  height: 324px;
  position: relative;
  width: 496px;
}

#coin-flip-sequence-charts .graphie {
  height: 324px;
  width: 496px;
  position: absolute !important;
}

#coin-flip-sequence-chart-1 {
  left: 496px;
}

#coin-flip-sequence-chart-2 {
  left: 992px;
}

#coin-flip-sequence-chart-3 {
  left: 1488px;
}

.view-coin-flip-sequence-patterns {
  margin-top: 12px;
}

.view-coin-flip-sequence-patterns span {
  color: #ccc;
}

.view-coin-flip-sequence-patterns a {
  margin: 0 5px;
}

.view-coin-flip-sequence-patterns a.selected {
  font-weight: bold;
  color: #444 !important;
  cursor: default;
  text-decoration: none !important;
}

.coin-flip-sequence-heads {
  background: #a6a6a6;
  color: #333;
}

.coin-flip-sequence-heads,
.coin-flip-sequence-tails {
  border-right: 1px solid #888;
  float: left;
  font-family: Verdana, sans-serif;
  font-size: 14px;
  margin-bottom: 5px;
  padding: 0 2px;
  text-align: center;
  width: 16px;
}

.coin-flip-sequence-tails {
  background: #595959;
  color: #ccc;
}

body.debug span.error {
  font-weight: bold;
  color: #fff;
  background: #f00;
  font-size: 1.4em;
  padding: 0.2em;
  text-decoration: line-through;
}

/* Work around bug added in https://khanacademy.kilnhg.com/Review/K109777 */
.new-header .MathJax .math {
  color: inherit;
}

.solutionarea .info-box .mini-button {
  margin: 0px 10px 0px 0px;
  padding: 0px 5px;
  width: 25px;
  height: 18px;
}

.solutionarea #number-label {
  clear: both;
  margin: 0px 0px;
  padding: 14px 0px 0px 0px;
}

/* Expression/equation input (see "expression" answer type) */
.solutionarea .expression {
  box-sizing: border-box;
  display: block;
  max-width: 240px;
  width: 100%;
}

.solutionarea .expression > .output {
  background: #f2f2f2;
  display: inline-block;
  border-radius: 5px;
  padding-top: 10px;
  margin: 10px 0;
  /* HACK(aria) above scratchpad so that users have somewhere to
     * "click off of" to hide the expression dialog.
     * Also important because it can get a silly scrollbar and we
     * want users to be able to scroll even if the scratchpad is
     * open. We should probably make this wider eventually. */
  position: relative;
  z-index: 2;
}

.solutionarea .expression > .output > .tex {
  display: block;
  min-height: 42px;
  overflow-x: scroll;
  padding: 2px 10px 16px 10px;
}

.solutionarea .expression > .input {
  position: relative;
  z-index: 3; /* interactive-content */
}

.solutionarea .expression > .input > input {
  border: 1px solid #a4a4a4;
  border-radius: 5px;
  direction: ltr;
  font-size: 14px;
  margin-bottom: 5px;
  padding: 6px;
}

.solutionarea .expression > .output,
.solutionarea .expression > .output > .tex,
.solutionarea .expression > .input > input {
  box-sizing: border-box;
  max-width: 240px;
  width: 100%;
}

.solutionarea .expression > .input > input.error {
  padding-right: 25px;
}

.solutionarea .expression > .input > .error-div {
  position: absolute;
  right: 6px;
  top: -3px;
}

.solutionarea .expression > .input > .error-div > .error-icon {
  color: #fcc335;
  font-size: 20px;
}

body:not(.mobile) ul.inequalities-one-line-radios,
body:not(.mobile) ul.inequalities-one-line-radios > li {
  display: inline;
}

body.mobile ul.inequalities-one-line-radios > li {
  padding: 7px 0;
}

.inequalities-padding#grid {
  margin-bottom: 2em;
}