/**
 * Draft v0.7.0
 *
 * Copyright (c) 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
.DraftEditor-editorContainer,
.DraftEditor-root,
.public-DraftEditor-content {
  height: inherit;
  text-align: initial;
}
.DraftEditor-root {
  position: relative;
}
.DraftEditor-editorContainer {
  background-color: rgba(255, 255, 255, 0);
  border-left: 0.1px solid transparent;
  position: relative;
  z-index: 1;
}
.public-DraftEditor-block {
  position: relative;
}
.DraftEditor-alignLeft .public-DraftStyleDefault-block {
  text-align: left;
}
.DraftEditor-alignLeft .public-DraftEditorPlaceholder-root {
  left: 0;
  text-align: left;
}
.DraftEditor-alignCenter .public-DraftStyleDefault-block {
  text-align: center;
}
.DraftEditor-alignCenter .public-DraftEditorPlaceholder-root {
  margin: 0 auto;
  text-align: center;
  width: 100%;
}
.DraftEditor-alignRight .public-DraftStyleDefault-block {
  text-align: right;
}
.DraftEditor-alignRight .public-DraftEditorPlaceholder-root {
  right: 0;
  text-align: right;
}
.public-DraftEditorPlaceholder-root {
  color: #9197a3;
  position: absolute;
  z-index: 0;
}
.public-DraftEditorPlaceholder-hasFocus {
  color: #bdc1c9;
}
.DraftEditorPlaceholder-hidden {
  display: none;
}
.public-DraftStyleDefault-block {
  position: relative;
  white-space: pre-wrap;
}
.public-DraftStyleDefault-ltr {
  direction: ltr;
  text-align: left;
}
.public-DraftStyleDefault-rtl {
  direction: rtl;
  text-align: right;
}
.public-DraftStyleDefault-listLTR {
  direction: ltr;
}
.public-DraftStyleDefault-listRTL {
  direction: rtl;
}
.public-DraftStyleDefault-ol,
.public-DraftStyleDefault-ul {
  margin: 16px 0;
  padding: 0;
}
.public-DraftStyleDefault-depth0.public-DraftStyleDefault-listLTR {
  margin-left: 1.5em;
}
.public-DraftStyleDefault-depth0.public-DraftStyleDefault-listRTL {
  margin-right: 1.5em;
}
.public-DraftStyleDefault-depth1.public-DraftStyleDefault-listLTR {
  margin-left: 3em;
}
.public-DraftStyleDefault-depth1.public-DraftStyleDefault-listRTL {
  margin-right: 3em;
}
.public-DraftStyleDefault-depth2.public-DraftStyleDefault-listLTR {
  margin-left: 4.5em;
}
.public-DraftStyleDefault-depth2.public-DraftStyleDefault-listRTL {
  margin-right: 4.5em;
}
.public-DraftStyleDefault-depth3.public-DraftStyleDefault-listLTR {
  margin-left: 6em;
}
.public-DraftStyleDefault-depth3.public-DraftStyleDefault-listRTL {
  margin-right: 6em;
}
.public-DraftStyleDefault-depth4.public-DraftStyleDefault-listLTR {
  margin-left: 7.5em;
}
.public-DraftStyleDefault-depth4.public-DraftStyleDefault-listRTL {
  margin-right: 7.5em;
}
.public-DraftStyleDefault-unorderedListItem {
  list-style-type: square;
  position: relative;
}
.public-DraftStyleDefault-unorderedListItem.public-DraftStyleDefault-depth0 {
  list-style-type: disc;
}
.public-DraftStyleDefault-unorderedListItem.public-DraftStyleDefault-depth1 {
  list-style-type: circle;
}
.public-DraftStyleDefault-orderedListItem {
  list-style-type: none;
  position: relative;
}
.public-DraftStyleDefault-orderedListItem.public-DraftStyleDefault-listLTR:before {
  left: -36px;
  position: absolute;
  text-align: right;
  width: 30px;
}
.public-DraftStyleDefault-orderedListItem.public-DraftStyleDefault-listRTL:before {
  position: absolute;
  right: -36px;
  text-align: left;
  width: 30px;
}
.public-DraftStyleDefault-orderedListItem:before {
  content: counter(ol0) ". ";
  counter-increment: ol0;
}
.public-DraftStyleDefault-orderedListItem.public-DraftStyleDefault-depth1:before {
  content: counter(ol1) ". ";
  counter-increment: ol1;
}
.public-DraftStyleDefault-orderedListItem.public-DraftStyleDefault-depth2:before {
  content: counter(ol2) ". ";
  counter-increment: ol2;
}
.public-DraftStyleDefault-orderedListItem.public-DraftStyleDefault-depth3:before {
  content: counter(ol3) ". ";
  counter-increment: ol3;
}
.public-DraftStyleDefault-orderedListItem.public-DraftStyleDefault-depth4:before {
  content: counter(ol4) ". ";
  counter-increment: ol4;
}
.public-DraftStyleDefault-depth0.public-DraftStyleDefault-reset {
  counter-reset: ol0;
}
.public-DraftStyleDefault-depth1.public-DraftStyleDefault-reset {
  counter-reset: ol1;
}
.public-DraftStyleDefault-depth2.public-DraftStyleDefault-reset {
  counter-reset: ol2;
}
.public-DraftStyleDefault-depth3.public-DraftStyleDefault-reset {
  counter-reset: ol3;
}
.public-DraftStyleDefault-depth4.public-DraftStyleDefault-reset {
  counter-reset: ol4;
}
.public-DraftEditor-content {
  padding: 10px;
  min-height: 50px;
}
.public-DraftEditorPlaceholder-root {
  padding: 10px;
}
.pod-title {
  background-color: #eee;
  border: 1px solid #ddd;
  border-bottom: 0;
  font-size: 1.25em;
  padding: 4px 10px;
  border-radius: 3px 3px 0 0;
}
.pod-title.closed {
  border-radius: 3px;
}
.smiley {
  position: absolute;
  left: 0px;
  top: 4px;
}
.perseus-single-editor {
  box-sizing: border-box;
  width: 100%;
}
.perseus-json-editor {
  width: 100%;
  font-family: monospace;
  height: 500px;
}
.perseus-json-editor.invalid {
  background-color: #ffe6e6;
}
.perseus-textarea-pair {
  border: 1px solid #ddd;
  font-size: 12px;
  line-height: 1.6;
  position: relative;
}
.perseus-textarea-pair > .perseus-textarea-underlay {
  color: transparent;
  margin-bottom: 12px;
  padding: 10px;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.perseus-textarea-pair > .perseus-textarea-underlay b {
  font-weight: normal;
  background-color: #dfd;
}
.perseus-textarea-pair > .perseus-textarea-underlay b.selected {
  background-color: #ddf;
}
.perseus-textarea-pair > .perseus-textarea-underlay b.error {
  background-color: #fcc;
}
.perseus-textarea-pair > textarea {
  background: transparent;
  border: 0;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  font: inherit;
  height: 100%;
  left: 0;
  overflow: hidden;
  padding: 10px;
  position: absolute;
  resize: none;
  top: 0;
  width: 100%;
}
.perseus-widget-row {
  margin: 7px 0;
  width: 100%;
}
.perseus-widget-row .perseus-widget-left-col,
.perseus-widget-row .perseus-widget-right-col {
  display: inline-block;
  width: 50%;
}
.perseus-widget-row .perseus-widget-left-col .range-input,
.perseus-widget-row .perseus-widget-right-col .range-input {
  float: right;
  margin-right: 5px;
}
.perseus-widget-row > .range-input {
  margin-left: 10px;
}
.perseus-answer-options {
  border: 1px solid #ddd;
  padding: 10px;
}
.perseus-answer-widget {
  border: 1px solid #ddd;
  border-radius: 0 0 3px 3px;
  padding: 10px;
}
.perseus-answer-none {
  border-bottom: 1px solid #ddd;
}
.perseus-answer-none > div {
  display: none;
}
.perseus-widget-editor {
  border: 1px solid #ddd;
  border-radius: 3px;
  margin-top: 10px;
}
.perseus-widget-editor .perseus-widget-editor-title {
  background-color: #eee;
  border: 1px solid #ddd;
  border-bottom: 0;
  font-size: 1.25em;
  padding: 4px 10px;
  border-radius: 3px 3px 0 0;
  border: 0;
  display: flex;
  align-items: center;
  position: relative;
}
.perseus-widget-editor .perseus-widget-editor-title.closed {
  border-radius: 3px;
}
.perseus-widget-editor .perseus-widget-editor-title :first-child {
  flex-grow: 1;
}
.perseus-widget-editor .perseus-widget-editor-title > a {
  color: inherit;
  text-decoration: none;
}
.perseus-widget-editor .perseus-widget-editor-title .alignment {
  margin-right: 5px;
}
.perseus-widget-editor .perseus-widget-editor-title .simple-button {
  font-size: 13px;
  padding: 0 10px;
}
.perseus-widget-editor .perseus-widget-editor-content {
  border-radius: 0 0 3px 3px;
  border-top: 1px solid #ddd;
  padding: 10px;
  transition: all 0s;
}
.perseus-widget-editor .perseus-widget-editor-content.leave {
  display: none;
}
.perseus-widget-editor .categorizer-container {
  overflow-x: scroll;
}
.perseus-widget-editor-title-id > svg {
  float: left;
  font-size: 14px;
  margin-right: 10px;
}
.perseus-editor-widgets-selectors {
  background-color: #eee;
  border: 1px solid #ddd;
  border-top: 0;
  border-radius: 0 0 3px 3px;
  display: flex;
  flex-wrap: wrap;
  padding: 10px/2;
}
.perseus-editor-widgets-selectors select {
  margin: 2px;
}
.perseus-editor-widgets > div.selected > strong {
  background-color: #ddf;
}
.perseus-editor-widgets .warning {
  background-color: #ffcccc;
  padding: 4px;
  margin: 4px;
}
.perseus-editor-word-count {
  cursor: help;
  flex: 1;
  float: right;
  margin-right: 3px;
  margin-top: 2px;
  text-align: right;
}
.MathJax .math {
  color: inherit;
}
#perseus {
  margin: 20px;
}
#perseus #problemarea {
  /* Override the min-height property used for displaying the problem.
        While editing, the size of the editor itself is a better constraint on
        the size of the problemarea, and having a smaller problemarea is nicer
        if it means it aligns better with the editor. */
  min-height: 0;
  width: 100%;
}
#perseus #problemarea #workarea {
  margin: 0;
}
#perseus .perseus-question-container > div,
#perseus .perseus-answer-container > div {
  padding-bottom: 25px;
}
#perseus .add-choice-container,
#perseus .add-hint-container {
  margin-bottom: 20px;
  text-align: left;
}
.perseus-editor-table {
  clear: both;
  display: table;
  table-layout: fixed;
}
.perseus-editor-row {
  display: table-row;
}
.perseus-editor-left-cell {
  display: table-cell;
  padding-right: 30px;
  vertical-align: top;
  width: 360px;
  max-width: 360px;
  min-width: 360px;
}
.perseus-editor-right-cell {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  display: table-cell;
  padding: 30px;
  padding-top: 5px;
  vertical-align: top;
}
.perseus-hint-editor {
  padding-bottom: 20px;
}
.perseus-hint-editor .perseus-single-editor {
  margin-bottom: 5px;
}
.perseus-hint-editor .reorder-hints button {
  font-size: 16px;
}
.perseus-hint-editor .reorder-hints button:hover,
.perseus-hint-editor .reorder-hints button:active {
  color: #000;
  text-decoration: none;
}
.perseus-hint-editor .reorder-hints button.hidden {
  visibility: hidden;
}
.perseus-hint-editor .remove-hint {
  float: right;
  font-size: 13px;
  padding: 0 10px;
}
.perseus-hints-editor .add-hint {
  font-size: 13px;
}
.perseus-hints-editor .perseus-editor-row:first-child .perseus-editor-right-cell {
  border-top: 0;
}
.perseus-hint-editor + div .perseus-hint-renderer {
  width: 100%;
}
.perseus-hint-editor + div .perseus-hint-renderer div.paragraph {
  margin: 0px 0px 22px 0px;
}
.perseus-article-editor {
  margin-bottom: 20px;
  margin-top: 20px;
}
.perseus-article-editor .perseus-editor-table {
  margin-left: auto;
  margin-right: auto;
}
.perseus-article-editor .perseus-single-editor {
  margin-bottom: 10px;
}
.perseus-article-editor .section-control-button,
.perseus-article-editor .step-control-button {
  font-size: 13px;
  padding: 2px 10px;
  margin: 0 2px;
}
.perseus-article-editor .perseus-editor-left-cell {
  min-width: 360px;
}
.perseus-article-editor .mobile-preview,
.perseus-article-editor .desktop-preview,
.perseus-article-editor .editor-preview,
.perseus-article-editor .standalone-preview {
  box-sizing: border-box;
}
.perseus-article-editor .mobile-preview {
  border: 1px solid rgba(0, 0, 0, 0.29);
  max-width: 322px;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.29);
  padding: 32px 16px;
}
.perseus-article-editor .desktop-preview {
  border: 1px solid transparent;
  padding: 32px 20px;
}
.perseus-article-editor .editor-preview {
  display: table-cell;
}
.perseus-article-editor .editor-preview.full-width {
  width: 100%;
}
.perseus-article-editor .editor-preview .desktop-preview {
  border: 1px solid rgba(0, 0, 0, 0.29);
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.29);
  width: 100%;
}
.perseus-article-editor .standalone-preview .mobile-preview,
.perseus-article-editor .standalone-preview .desktop-preview {
  margin-left: auto;
  margin-right: auto;
}
.perseus-article-editor .json-editor {
  margin: auto;
  max-width: 688px;
}
.perseus-article-editor .perseus-json-editor {
  display: block;
  margin-left: auto;
  margin-right: auto;
}
.perseus-article-editor .json-editor-warning {
  margin-bottom: 10px;
  text-align: center;
}
.perseus-article-editor .bibliotron-article.framework-perseus.perseus-article {
  box-sizing: border-box;
}
.perseus-article-editor .bibliotron-article.framework-perseus.perseus-article * {
  box-sizing: inherit;
}
.perseus-article-editor .perseus-editor-left-cell > .pod-title {
  padding: 4px 9px;
}
.perseus-button-group {
  display: inline-block;
}
.perseus-button-group > button {
  background-color: white;
  border: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  border-left: 0;
  cursor: pointer;
  margin: 0;
  padding: 5px 10px;
  position: relative;
}
.perseus-button-group > button.selected {
  background-color: #ddd;
}
.perseus-button-group > button:first-child {
  border-left: 1px solid #ccc;
  border-top-left-radius: 3px;
  border-bottom-left-radius: 3px;
}
.perseus-button-group > button:last-child {
  border-right: 1px solid #ccc;
  border-top-right-radius: 3px;
  border-bottom-right-radius: 3px;
}
.perseus-button-group > button:hover,
.perseus-button-group > button:focus {
  outline: 2px solid #999;
  outline-offset: -1px;
  z-index: 2;
}
.more-options-container {
  display: block;
  padding-bottom: 24px;
  position: relative;
}
.more-options-container .more-options-title {
  border-radius: 0 0 3px 3px;
  color: #999;
  height: 20px;
  font-size: 14px;
  padding: 5px 0;
  width: 358px;
  position: absolute;
  left: -10px;
  right: 0;
  bottom: -10px;
  text-align: center;
}
.more-options-container .more-options-title:hover {
  background-color: #ddd;
  cursor: pointer;
}
.perseus-widget-expression-editor .answer-options-list li {
  margin: 5px 0;
}
.perseus-widget-expression-editor .answer-status {
  color: inherit;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  width: 75%;
  -webkit-user-select: none;
  -khtml-user-drag: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.perseus-widget-expression-editor .answer-status.wrong {
  background-color: #ffcccc;
}
.perseus-widget-expression-editor .answer-status.correct {
  background-color: #aaffaa;
}
.perseus-widget-expression-editor .answer-status.ungraded {
  background-color: #d9edf7;
}
.perseus-widget-expression-editor .expression-editor-h3 {
  margin: 10px 0 4px;
}
.perseus-widget-dropdown input[type=text] {
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 5px;
}
.perseus-widget-dropdown input[type=text].correct {
  background: #aaffaa;
}
.perseus-widget-dropdown input[type=text].incorrect {
  background: #ffcccc;
}
.perseus-widget-dropdown .dropdown-choices {
  margin: 20px 0;
}
.perseus-widget-dropdown .dropdown-choices input[type="text"] {
  margin: 0 5px;
  width: 70%;
}
.perseus-widget-dropdown .dropdown-info {
  float: left;
}
.perseus-widget-dropdown .dropdown-placeholder {
  float: right;
}
.perseus-widget-dropdown .remove-choice {
  margin-bottom: 10px;
}
.perseus-input-number-editor {
  font-size: 14px;
}
.perseus-input-number-editor .ui-title,
.perseus-input-number-editor .msg-title {
  display: inline-block;
  text-align: center;
}
.perseus-input-number-editor .ui-title {
  width: 100px;
}
.perseus-input-number-editor .msg-title {
  margin-left: 5px;
  width: 230px;
}
.perseus-input-number-editor .options-container {
  padding-left: 30px;
}
.perseus-input-number-editor .input-answer-editor-value,
.perseus-input-number-editor .input-answer-editor-message {
  display: inline-block;
}
.perseus-input-number-editor .input-answer-editor-value-container {
  border: 1px solid #ccc;
  border-radius: 3px;
  float: left;
  height: 53px;
  width: 100px;
  overflow: hidden;
  position: relative;
}
.perseus-input-number-editor .input-answer-editor-value-container .numeric-input-value {
  border: 0;
  font-size: 13px;
  outline-offset: -3px;
  width: 100%;
}
.perseus-input-number-editor .input-answer-editor-value-container.with-max-error .numeric-input-value {
  width: 60%;
}
.perseus-input-number-editor .input-answer-editor-value-container .max-error-container {
  display: inline-block;
  width: 40%;
}
.perseus-input-number-editor .input-answer-editor-value-container .max-error-container .max-error-plusmn {
  cursor: default;
  display: inline-block;
  width: 20%;
}
.perseus-input-number-editor .input-answer-editor-value-container .max-error-container .number-input {
  border: 0;
  font-size: 13px;
  width: 80%;
}
.perseus-input-number-editor .options-toggle,
.perseus-input-number-editor .answer-trash,
.perseus-input-number-editor .answer-status {
  height: 26px;
  line-height: 26px;
  outline-offset: -3px;
  vertical-align: middle;
}
.perseus-input-number-editor .value-divider {
  border-top: 1px solid #ccc;
}
.perseus-input-number-editor .options-toggle,
.perseus-input-number-editor .answer-trash {
  border-left: 1px solid #ccc;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  width: 20%;
}
.perseus-input-number-editor .options-toggle {
  background-color: #eee;
  color: #444;
}
.perseus-input-number-editor .options-toggle:hover {
  background-color: #ccc;
}
.perseus-input-number-editor .answer-trash {
  background-color: #C04F03;
  background-image: linear-gradient(to bottom, #E35D04, #C04F03);
  color: #FFF;
}
.perseus-input-number-editor .answer-trash:hover {
  color: #FFF;
  background-image: linear-gradient(to bottom, #F46E15, #D16014);
}
.perseus-input-number-editor .is-strict-indicator {
  background-color: #d9edf7;
  border-bottom: 1px solid #ccc;
  border-right: 1px solid #ccc;
  cursor: default;
  font-size: 16px;
  line-height: 12px;
  height: 12px;
  width: 12px;
  text-align: center;
  position: absolute;
  top: 0;
  right: auto;
  bottom: auto;
  left: 0;
  -webkit-user-select: none;
  -khtml-user-drag: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.perseus-input-number-editor .simplify-indicator {
  border-top: 1px solid #ccc;
  border-right: 1px solid #ccc;
  cursor: default;
  font-size: 10px;
  line-height: 13px;
  height: 13px;
  width: 12px;
  text-align: center;
  position: absolute;
  top: 12px;
  right: auto;
  bottom: auto;
  left: 0;
  -webkit-user-select: none;
  -khtml-user-drag: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.perseus-input-number-editor .simplify-indicator.optional {
  background-color: #aaffaa;
}
.perseus-input-number-editor .simplify-indicator.enforced {
  background-color: #ffcccc;
}
.perseus-input-number-editor .answer-status {
  color: inherit;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  width: 60%;
  -webkit-user-select: none;
  -khtml-user-drag: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.perseus-input-number-editor .answer-status.wrong {
  background-color: #ffcccc;
}
.perseus-input-number-editor .answer-status.correct {
  background-color: #aaffaa;
}
.perseus-input-number-editor .answer-status.ungraded {
  background-color: #d9edf7;
}
.perseus-input-number-editor .input-answer-editor-message {
  margin-left: 5px;
}
.perseus-input-number-editor .input-answer-editor-message .perseus-single-editor {
  font-family: 'Lucida Grande';
  width: 230px;
}
.perseus-input-number-editor .input-answer-editor-message .perseus-single-editor .perseus-textarea-pair > textarea,
.perseus-input-number-editor .input-answer-editor-message .perseus-single-editor .perseus-textarea-underlay {
  padding: 5px;
}
.perseus-input-number-editor .input-answer-editor-message .perseus-single-editor .perseus-textarea-pair {
  border-color: #ccc;
  border-radius: 3px;
  min-height: 53px;
}
.perseus-input-number-editor .input-answer-editor-message .perseus-single-editor .perseus-textarea-underlay {
  margin-bottom: 0;
}
.perseus-widget-radio {
  margin-bottom: 10px;
}
.perseus-widget-radio .choice-editor .perseus-single-editor {
  margin-bottom: 0;
}
.perseus-widget-radio .choice-editor.correct .DraftEditor-root,
.perseus-widget-radio .choice-editor.correct textarea {
  background: #aaffaa;
}
.perseus-widget-radio .choice-editor.incorrect .DraftEditor-root,
.perseus-widget-radio .choice-editor.incorrect textarea {
  background: #ffcccc;
}
.perseus-widget-radio textarea::-webkit-input-placeholder {
  color: #777;
}
.perseus-widget-radio textarea:-moz-placeholder {
  color: #777;
  opacity: 1;
}
.perseus-widget-radio textarea::-moz-placeholder {
  color: #777;
  opacity: 1;
}
.perseus-widget-radio textarea:-ms-input-placeholder {
  color: #777;
}
.perseus-widget-radio .clue-editor .perseus-textarea-pair {
  border-top: 0;
}
.perseus-widget-radio .choice-clue-editors,
.perseus-widget-radio .choice-editor,
.perseus-widget-radio .clue-editor {
  display: inline-block;
}
.perseus-widget-radio .delete-choice {
  margin-left: 5px;
  padding: 5px;
}
.perseus-widget-radio .perseus-single-editor {
  border: 0;
  display: inline-block;
  margin: 0 0 5px;
  vertical-align: top;
  width: 280px;
}
.perseus-widget-radio .perseus-single-editor p {
  margin: 0;
}
.perseus-widget-radio .perseus-textarea-pair,
.perseus-widget-radio .perseus-textarea-underlay {
  display: block;
}
.perseus-widget-radio .perseus-textarea-pair > textarea,
.perseus-widget-radio .perseus-textarea-pair > .perseus-textarea-underlay {
  padding: 5px;
}
.perseus-widget-editor-content .add-choice-container .simple-button {
  margin-right: 10px;
}
.perseus-widget-editor-content .perseus-widget-radio {
  position: static;
}
.perseus-widget-editor-content .perseus-widget-radio .checkbox,
.perseus-widget-editor-content .perseus-widget-radio .delete-choice {
  position: relative;
  top: -10px;
}
.perseus-widget-editor-content .perseus-radio-option.none-of-above:before {
  content: 'None of the above';
  display: block;
  font-style: italic;
  font-weight: bold;
}
.perseus-widget-editor-content .perseus-radio-option.none-of-above .choice-editor.incorrect {
  opacity: 0.5;
}
#solutionarea .perseus-widget-radio li {
  padding: 7px 0;
}
.framework-perseus table.perseus-widget-table-of-values th .perseus-single-editor {
  width: 80px;
  margin-bottom: 6px;
}
.framework-perseus table.perseus-widget-table-of-values th .perseus-textarea-pair,
.framework-perseus table.perseus-widget-table-of-values th .perseus-single-editor {
  height: 50px;
}
.categorization-container.categorization-container-editor {
  width: 350px;
  margin-bottom: 160px;
}
.categorization-container.categorization-container-editor .card input {
  margin: 7px 3px 7px 13px;
  font-size: 12px;
  display: block;
  width: 81%;
}
.categorization-container.categorization-container-editor .category {
  float: left;
  padding: 5px;
  width: 160px;
}
.categorization-container.categorization-container-editor .categories {
  width: 176px;
}
.categorization-container.categorization-container-editor .perseus-textarea-underlay {
  margin-bottom: 0;
}
.categorization-container.categorization-container-editor .drag-bar {
  float: left;
  font-size: 10px;
  padding: 2px 0;
  height: 70%;
  margin-top: 3px;
}
.categorization-container.categorization-container-editor .header {
  margin-bottom: 8px;
}
.categorization-container.categorization-container-editor .header input {
  display: block;
  margin-right: 24px;
  width: 76%;
}
.categorization-container.categorization-container-editor .header .remove {
  position: relative;
  top: -14px;
  left: 12px;
  float: right;
  width: 20px;
  height: 20px;
  padding: 2px;
  color: #666;
  cursor: pointer;
}
.categorization-container.categorization-container-editor .header .remove:hover {
  color: #333;
}
.categorization-container.categorization-container-editor .delete-item-area {
  position: absolute;
  width: 150px;
  height: 60px;
  padding-top: 40px;
  bottom: -150px;
  left: 10px;
  border: dashed 2px #888;
  color: #888;
  text-align: center;
  font-size: 20px;
}
.categorization-container.categorization-container-editor .delete-item-area.target {
  border-color: black;
  color: #333;
}
.categorization-container.categorization-container-editor .card {
  width: 130px;
  padding: 0;
}
.categorization-container.categorization-container-editor .card.dragging .drag-bar {
  margin-left: 2px;
}
.categorization-editor-area {
  height: 30px;
}
.categorization-editor-area .add-item {
  float: left;
  margin-left: 17px;
}
.categorization-editor-area .add-category {
  margin-left: 173px;
}
.perseus-widget-interactive-graph {
  display: block;
}
.perseus-widget-plotter-editor .plotter-categories,
.perseus-widget-plotter-editor .pic-url {
  width: 70%;
}
.perseus-text-list-editor input[type=text] {
  padding: 3px;
  margin-right: 5px;
  min-width: 20px;
  max-width: 340px;
}
.perseus-text-list-editor.layout-horizontal input[type=text] {
  float: left;
}
.perseus-matcher-editor .perseus-text-list-editor {
  float: left;
  max-width: 50%;
}
.perseus-matcher-editor .perseus-text-list-editor input[type=text] {
  max-width: 90%;
}
.perseus-matcher-editor input[type=text] {
  width: 46%;
}
.perseus-matcher-editor input[type=text] + input[type=text] {
  margin-left: 2%;
}
.info-tip {
  display: inline-block;
}
.info-tip-content-container p {
  font-size: 12px;
  line-height: 1.4;
  margin: 0;
}
.info-tip-content-container p + p {
  margin-top: 22px;
}
.expression-answer-option {
  border: 1px solid #ddd;
  border-radius: 3px;
}
.expression-answer-option .answer-handle {
  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAeCAYAAADkftS9AAAAIklEQVQoU2M4c+bMfxAGAgYYmwGrIIiDjrELjpo5aiZeMwF+yNnOs5KSvgAAAABJRU5ErkJggg==) no-repeat 50% 50%;
  border-right: 1px solid #ddd;
  cursor: move;
  display: table-cell;
  width: 20px;
}
.expression-answer-option .answer-body {
  display: table-cell;
}
.expression-answer-option .answer-considered {
  display: table;
}
.expression-answer-option .answer-expression {
  display: table-cell;
}
.expression-answer-option .answer-status {
  display: table-cell;
  width: 100px;
}
.expression-answer-option .answer-option {
  padding-left: 5px;
}
.expression-answer-option .remove-container {
  padding: 5px;
}
.expression-answer-option .remove-container button {
  width: 100%;
}
.expression-answer-option .perseus-math-input {
  width: 236px;
}
.expression-answer-option .perseus-math-input .mq-root-block {
  border-top: none;
  border-right: none;
  border-bottom: 1px solid #ddd !important;
  border-left: 1px solid #ddd !important;
}
.perseus-widget-interaction-editor .perseus-widget-interaction-editor-select-element {
  background-color: #eee;
  border: 1px solid #ddd;
  border-top: 0;
  border-radius: 0 0 3px 3px;
  padding: 5px 10px;
  margin: 20px -11px -11px -11px;
}
.perseus-widget-interaction-editor .colorpicker-circle {
  border-radius: 50%;
  width: 14px;
  height: 14px;
  position: absolute;
  left: 5px;
  top: 5px;
}
.perseus-interaction-element {
  border: 1px solid #ddd;
  border-radius: 3px;
}
.perseus-interaction-element .perseus-interaction-element-title {
  background-color: #eee;
  border: 1px solid #ddd;
  border-bottom: 0;
  font-size: 1.25em;
  padding: 4px 10px;
  border-radius: 3px 3px 0 0;
  border: 0;
  color: inherit;
  display: block;
  text-decoration: none;
  white-space: nowrap;
  font-size: 1em;
  overflow: hidden;
}
.perseus-interaction-element .perseus-interaction-element-title.closed {
  border-radius: 3px;
}
.perseus-interaction-element .perseus-interaction-element-title > svg {
  float: left;
  font-size: 14px;
  margin-right: 10px;
}
.perseus-interaction-element .perseus-interaction-element-content {
  border-radius: 0 0 3px 3px;
  border-top: 1px solid #ddd;
  padding: 10px;
}
.perseus-interaction-element .perseus-interaction-element-content .edit-controls {
  text-align: right;
  margin-top: -30px;
}
.perseus-interaction-element .perseus-interaction-element-content .edit-controls > button {
  background: #fff;
  border: 0;
  cursor: pointer;
  padding: 0;
  margin-left: 7px;
  font-size: 18px;
  color: #555;
}
.perseus-interaction-element .perseus-interaction-element-content.leave {
  display: none;
}
.button-set-label {
  display: block;
}
.button-set-label-float {
  display: block;
  float: left;
  margin-right: 10px;
}
.button-set-separator {
  margin: 10px 0;
}
.show-div-button {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.perseus-widget-editor .unit-radio {
  color: black;
  text-decoration: none;
}
.unit-example-not-okay {
  color: red;
}
.unit-example-okay {
  color: green;
}
.pair-editor input {
  width: 120px;
}
.marvel-device.iphone6.silver:after {
  z-index: 1;
}
.perseus-diff {
  margin: 0 10px;
}
.perseus-diff .diff-header {
  font-size: 18px;
  padding: 10px 0;
  width: 50%;
  display: inline-block;
}
.perseus-diff .diff-header.collapsed {
  font-size: 14px;
  padding: 0px;
}
.perseus-diff .diff-body {
  border-top: 1px solid #E4E4E4;
  border-bottom: 1px solid #E4E4E4;
}
.perseus-diff .diff-row {
  width: 50%;
  white-space: pre-wrap;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  font-size: 14px;
  padding-right: 20px;
  padding-left: 10px;
  overflow: hidden;
}
.perseus-diff .diff-row.collapsed {
  color: #888;
  cursor: pointer;
}
.perseus-diff .diff-row.collapsed:hover {
  color: #666;
}
.perseus-diff .diff-row.collapsed:active {
  color: #444;
}
.perseus-diff .diff-row .diff-line {
  margin-bottom: 20px;
}
.perseus-diff .before {
  float: left;
  border-left: 1px solid #E4E4E4;
}
.perseus-diff .after {
  float: right;
  border-right: 1px solid #E4E4E4;
  border-left: 1px solid #E4E4E4;
}
.perseus-diff .inner-value {
  height: 100%;
  padding: 3px;
}
.perseus-diff .not-present {
  display: none;
}
.perseus-diff .blank-space {
  visibility: hidden;
}
.perseus-diff .added {
  background-color: #EEFFEE;
}
.perseus-diff .added.dark {
  background-color: #AAFFAA;
}
.perseus-diff .removed {
  background-color: #FFEEEE;
}
.perseus-diff .removed.dark {
  background-color: #FFAAAA;
}
.perseus-diff .image {
  display: inline-block;
  margin-left: 20px;
  margin-bottom: 10px;
}
.perseus-diff .image,
.perseus-diff .image > div,
.perseus-diff .image > img {
  max-height: 300px;
  max-width: 100%;
}
.perseus-diff .image-unchanged {
  border: 1px solid #AAAAAA;
}
.perseus-diff .image-added {
  border: 2px solid #AAFFAA;
}
.perseus-diff .image-removed {
  border: 2px solid #FFAAAA;
}
.perseus-diff .diff-separator {
  border-bottom: 1px dashed #444;
  margin: 30px 0 10px 0;
}