/**
 * CS First - custom Styles
 */

/*** General Things ***/

html, body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

.content-wrapper {
  flex: 1 0 auto;
}

::-webkit-scrollbar {
  -webkit-appearance: none;
  width: 7px;
}

::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background-color: rgba(0,0,0,.5);
  -webkit-box-shadow: 0 0 1px rgba(255,255,255,.5);
}

.h-c-link--external {
  align-items: center;
  display: inline-flex;
}

.h-c-link--external.small i {
  margin-right: .5rem;
}

.h-c-link small, small .h-c-link,
.h-c-link.small {
  font-size: 14px;
}

.h-c-button.small {
  font-size: 14px;
  padding: 17px 12px;
}

section:focus, .curriculum-dropdown:focus, .user-dropdown:focus {
  outline: none;
}

.clickbox {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition-property: box-shadow;
  transition-duration: .3s;
  transition-timing-function: cubic-bezier(0.4, 0.0, 0.2, 1);
}

.clickbox:hover {
  cursor: hover;
}

.nowrap {
  white-space: nowrap;
}

.center-flex {
  display: flex;
  justify-content: center;
}

.flex {
  display: flex;
}

.flex.row.wrap {
  flex-flow: row wrap;
}

.flex.column.wrap {
  flex-flow: column wrap;
}

.flex.left {
  justify-content: left;
}

.flex.center {
  justify-content: center;
}

.text-center {
  text-align: center;
}

.text-light {
  color: #666 !important;
}

.text-large {
  font-size: x-large;
}

.uppercase {
  text-transform: uppercase;
}

.capitalize {
  text-transform: capitalize;
}

@media only screen and (max-width: 1023px) {
  .hidden-m {
    display: none;
  }
}
@media only screen and (max-width: 899px) {
  .hidden-t {
    display: none;
  }
}
 @media only screen and (max-width: 599px) {
  .hidden-s {
    display: none;
  }
}

.csf-main section {
  margin-top: 32px;
  padding-bottom: 32px;
  padding-top: 32px;
}

.csf-main section .h-c-headline {
    hyphens: none;
}

.material-icons-extended {
  vertical-align: middle;
}

/* the help icon fix */
.icon-link {
  align-items: center;
  color: #666;
  display: flex;
}

/*** customized hercules footer */
footer section.standards {
    margin-top: 48px;
    padding-bottom: 0;
    padding-top: 48px;
}

.h-c-footer section.standards a {
    margin: 1em 2em;
}

.h-c-footer section.standards a img {
    height: 30px;
    width: auto;
}

.h-c-footer .help-link {
  display: flex;
  justify-content: center;
}

.h-c-footer .help-link i {
  margin-right: .5rem;
}

.h-c-footer__logo {
  align-items: center;
  display: flex;
  flex-basis: 320px;
  font-size: 14px;
  font-weight: 500;
  justify-content: flex-start;
}

.h-c-footer__logo span,
.h-c-footer__logo a {
  display: inline-block;
  margin-right: .5rem;
}

.h-c-footer__logo a {
  align-items: center;
  display: flex;
  font-family: 'Google Sans', 'Roboto', Arial, Helvetica, sans-serif;
  white-space: nowrap;
}

.h-c-footer__logo a span {
  color: #666;
  cursor: pointer;
}

footer .code-with-google {
  width: 290px;
  padding: 3px;
  margin-top: -7px;
}

footer section.disclaimer {
    padding-bottom: 36px;
    padding-top: 36px;
}

footer .h-c-footer__upper {
    border-bottom: 1px solid #dadce0;
}

footer iframe {
  vertical-align: unset;
}

@media only screen and (min-width: 1440px) {

  footer .h-c-footer__upper {
    padding: 30px 0 16px;
  }

  footer .h-c-footer__global {
      padding: 30px 0 20px;
  }

}

@media (min-width: 1024px) {
  .footer-lang {
    margin-top: -3px;
  }
}

.visually-hidden {
  position: absolute;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px 1px);
}

/*** Masthead ***/

.va {
  vertical-align: middle;
  line-height: 0;
}

.hidden,
.sign-in {
  display: none;
}

.ajax-nav,
.glue-header .cs-cta,
.add-to-class,
.work-submission,
.work-submission .new-work,
.work-submission .show-work,
.work-submission .preview,
.work-submission .show-work-thumbnail,
.elms,
.hidden,
#project-links {
  display: none;
}

.add-to-class {
  margin-left: 10px;
}

/*** tab styling */

.glue-tabs {
  display: flex;
  justify-content: center;
  border-bottom: 2px solid #f1f3f4;
  text-align: center;
}

.glue-tabs .glue-c-tabset__button {
  padding: 12px 48px;
  width: 100%;
  background-color: #fff;
  border: none;
  border-bottom: 2px solid #f1f3f4;
  color: #5f6368;
  font-weight: 400;
  font-size: .9rem;
  height: 100%;
  position: relative;
  top: 2px;
}

.glue-tabs .glue-c-tabset__button.active-tab {
    border-bottom: 2px solid #1a73e8;
    color: #202124;
}


@media (max-width: 600px) {

  .glue-tabs {
    display: block;
    margin: 1em;
  }

  .glue-tabs li {
    display: block;
    width: 100%;
  }

  .glue-app-supported .glue-c-tabset__tab, .glue-app-ready .glue-c-tabset__tab {
    margin: 0;
  }
}

/*** examples page  */
.examples-preview {
  width: 100%;
  height: 200px;
  display: flex;
  padding: 16px 0;
  justify-content: space-between;
}

.examples-preview img {
  border-radius: 5px;
  display: inline-block;
  border: 1px solid #eee;
}

.examples-preview.size-1 img {
  display: block;
}

.examples-preview.size-2 img {
  width: 48%;
}

.examples-preview.size-3 {
  display: block;
  height: 250px;
  overflow: hidden;
}

.examples-preview.size-3 img {
  display: block;
  width: 31%;
  height: auto;
}

.examples-preview.size-3 img.img-1 {
  width: 65%;
  float: left;
  margin: 0 2% 0 0;
}

.examples-preview.size-3 img.img-2 {
  margin-bottom: 2%;
}

/*** unit page  */

.csf-main section.unit-hero {
  margin-top: 0;
}

.unit-hero img {
  margin-top: 20px;
}

.unit-activities .section-heading .capitalize {
  display: block;
  float: left;
  margin: -3px 1rem 0 .5rem;
}

.unit-activities .section-heading small {
  display: inline-flex;
  font-size: smaller;
  line-height: 1.6;
}

.unit-activities .section-heading small span {
  font-size: .9rem;
  display: inline-block;
  margin-left: .5em;
}

.unit-hero .banner__buttons {
    margin-top: 1em;
}

@media (min-width: 1024px) {

  .unit-hero .header .h-c-headline.h-c-headline--two {
      font-size: 38px;
  }

  .unit-activities .h-c-headline.h-c-headline--three {
      font-size: 28px;
  }

}

@media (min-width: 600px) {

 .unit-hero img {
    margin-top: -50px;
 }

}

@media (min-width: 1024px) and (max-width: 1200px) {
  .campaign-header .button-container {
    margin-bottom: 24px;
  }
}


@media (max-width: 1023px) {
  .campaign-header .button-container {
    text-align: center;
  }
  .banner-img {
    padding-bottom: 1em;
  }
}

@media (max-width: 599px) {

  .unit-hero .header {
      text-align: center;
   }

   .unit-hero img {
      min-width: 300px;
      max-width: 80%;
      margin: auto;
   }

   .unit-detail {
      width: 300px;
      margin: 1em auto;
  }

}

.unit-header {
  display: flex;
  align-content: space-between;
}

.unit-title {
  font-size: 24px;
  font-family: "Google Sans",Roboto,Arial,sans-serif;
  font-weight: 500;
}

.lesson {
  margin-bottom: 24px;
}

.lesson-title {
  font-size: 18px;
  font-family: "Google Sans",Roboto,Arial,sans-serif;
  font-weight: 500;
}

.lesson-plans {
  display: none;
  margin-left: auto;
}

.lesson-badge {
  position: relative;
  float: left;
}

.lesson-badge.incomplete:after {
  display: block;
  content: ' ';
  background: url('/static/preview/csfirst/img/badgefilter.png') center / cover;
  width: 100px;
  height: 100px;
  position: absolute;
  top: -8px;
  left: -8px;
}

.lesson-steps {
  margin: 0;
  padding: 0;
  list-style-position: inside;
  display: inline-block;
}

.lesson-steps li {
  color: rgba(0,0,0,.7);
  font-weight: 400;
  margin: 8px 0;
  position: relative;
  padding-left: 36px;
}

.lesson-steps a {
  text-decoration: none;
  color: rgba(0,0,0,.7);
  font-weight: 400;
}

.absolute-left {
  position: absolute;
  left: 0;
}

.lesson-steps .active .material-icons-extended,
.lesson-steps li:hover, .lesson-steps li:hover a,
.lesson-steps a:focus li, .lesson-steps li:hover
.material-icons-extended,
.lesson-steps a:focus li .material-icons-extended {
  color: #3B78E7;
}

.lesson-steps .future .material-icons-extended {
  color: #757575;
}

.lesson-steps .past .material-icons-extended {
  color: #0f9d58;
}

/*** Sections ***/
.section {
  padding: 64px 0;
}

.section:last-child {
  padding-bottom: 128px;
}

.section:nth-of-type(odd),
.section.even:nth-of-type(even) {
  background: #f6f6f6;
}

.section.even:nth-of-type(odd) {
  background: #fff;
}

.section-sub-heading {
  color: rgba(0,0,0,.54);
  display: inline-block;
  font-size: 16px;
  text-transform: uppercase;
  font-weight: 500;
  border-bottom: 2px solid #FFC107;
  margin-bottom: 32px;
  padding-bottom: 16px;
}

.section-heading {
  font-size: 28px;
  margin-bottom: 32px;
}

.survey-section {
  display: none;
}

/* Extensions */

.unit-end {
  overflow: auto;
  background: url(/images/confetti.png) repeat-x;
  text-align: center;
  padding: 64px 24px 64px;
}

.unit-end-congrats {
  font-size: 24px;
  margin-bottom: 16px;
}

.unit-end p {
  font-size: 18px;
}

/* Modifications for CS First */

.lesson.with-badge {
  display: flex;
  border-top: 1px solid rgba(0,0,0,.1);
  padding-top: 16px;
  margin-bottom: 0;
  margin-top: 16px;
}

.lesson-badge img {
  width: 85px;
  height: 85px;
  margin-right: 16px;
}

.ecc {
  height: calc(100vh - 160px);
}

#lesson-plans {
  width: 100%;
  height: calc(100vh - 170px);
}

#theme-icon {
  position: relative;
  width: 80px;
}

#theme-icon img {
  max-width: 80px;
  max-height: 80px;
  padding: 10px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

#js {
  display: none;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .curriculum-units, .curriculum-lessons {
    max-height: 550px
  }
}

iframe {
  width: 100%;
  border: none;
}

.io-nav__menu a {
  display: block;
  padding: 0 16px;
  text-decoration: none;
  color: #414141;
  font-weight: normal;
}

.io-nav__menu li {
    padding: 0;
}

.curriculum-units .mdl-button {
  margin-left: 36px;
  margin-top: 16px;
}

#teleport {
  position: absolute;
  left: -100px;
  top: -100px;
}

button.mdl-navigation__link {
  background: none;
  border: 0;
  outline: none;
}

/** video page */
/** special grid size for video page */

@media (min-width: 600px) {
  .student-page .h-c-page {
    max-width: 1440px;
    padding: 0 32px;
  }
}

.video-top-section {
  align-items: center;
}

.video-top-info a {
  color: rgba(0,0,0,.4);
  text-decoration: none;
}

.video-top-info a:hover, .video-top-info a:focus {
  color: #000;
}

.video {
  position: relative;
  display: inline-block;
}

.video-container video {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #dadce0;
  outline: none;
}

.student-video.video {
  width: 100%;
}

.video-meta {
  padding: 1em 0;
  min-height: 24px;
  position: relative;
}

.playback-speed {
  position: absolute;
  width: 300px;
  height: 36px;
  right: 0px;
  top: 12px;
  text-align: right;
  white-space: nowrap;
}

.playback-speed select {
  font-size: smaller;
  background: transparent;
  border-radius: 8px;
  display: inline-block;
  margin-left: 4px;
  padding: .5em;
  width: 40%;
}

@media (max-width: 400px) {

 .playback-speed label {
   display: none;
 }

}

.video-extras {
  padding-top: 0;
  display: flex;
}

.video-extras.content {
  display: block;
  padding-left: 40px;
  padding-right: 40px;
}

.video-extras.content h2 {
  font-size: 24px;
}

.video-extras h6 {
  width: 100%;
}

.video-feedback form {
  display: inline-block;
  margin-left: 16px;
}

.video-feedback input[type="radio"] {
  margin-right: 8px;
}

.video-feedback label {
  font-size: 14px;
  text-transform: uppercase;
  margin-right: 16px;
}


/** Transcript player */
.transcript-content, .attribution-content {
  margin-top: 1em;
  padding: 1em;
  background: #f8f9fa;
  border: 1px solid #dadce0;
  border-radius: 8px;
}

.attributions {
  overflow-wrap: break-word;
  padding: 1em 0;
}

.attributions .subheader, .transcript .subheader {
  outline: none;
  cursor: pointer;
  font-family: 'Roboto', 'Helvetica', 'Arial', sans-serif;
}

.attributions .material-icons-extended:before {
  content: 'navigate_next';
}

.attributions.active .material-icons-extended:before {
  content: 'keyboard_arrow_down';
}

.subheader {
  text-transform: capitalize;
  font-size: smaller;
  background: white;
}

.transcript[open] .transcript-content {
  max-height: 300px;
  overflow-y: scroll;
  padding-left: 16px;
}

.transcript-content span:hover,
.transcript-content span:focus {
  text-decoration: underline;
  cursor: pointer;
}

.transcript-content p {
  margin-bottom: 8px;
  font-size: smaller;
}

.active-cue {
  font-weight: bold;
}

/******** student sidebar **********/
.student-page-sidebar .instructions li {
  font-size: .9em;
}

.student-page-sidebar .panel.links ul {
  list-style: none;
  margin-left: 0;
}

.student-page-sidebar .panel.links li {
  margin-bottom: .5em;
}

.student-page-sidebar .panel.links li img {
  border-radius: 4px;
  display: inline-block;
  max-width: 25%;
  margin-right: .5em;
}

.student-page-sidebar .panel.links li span {
  display: inline-block;
  align-self: center;
}

.student-page-sidebar .panel {
  width: 100%;
}

.panel.sign-in {
  margin-top: 1em;
  width: 100%;
}

.student-page-sidebar .panel.sign-in {
  border-color: #fbbc04;
}

.student-page-sidebar .panel.sign-in .panel-content {
  display: flex;
  align-items: center;
}

.student-page-sidebar .panel.sign-in .panel-content img {
  display: block;
  width: 75px;
  margin-right: 1em;
}

@media only screen and (max-width: 1023px) {
  .student-page-sidebar .panel.links li img {
    max-width: 80px;
  }
}

/******** activity page share box **********/
.starter-projects {
  background: #ff4081;
  color: #fff;
  padding: 16px;
  position: relative;
  margin-bottom: 16px;
  font-size: 18px;
}

#survey-completed {
  display: none;
}

.paperclip-icon-padding {
  padding-bottom: 5px;
  padding-left: 2px;
}

.work-submission .work-submisson-body {
  padding-top: 16px;
}

.work-submission .show-work-thumbnail {
  background-color: black;
  width: fit-content;
  position: relative;
}

.work-submission .show-work img {
  opacity: 0.5;
}

.work-submission .show-work img:hover {
  opacity: 1.0;
}

.work-submission .show-work i {
  position: absolute;
  top: 45%;
  left: 46%;
  color: white;
}

/******** campaign banners **********/
.csf-main section.campaign {
  margin-top: 0;
}

.csf-main section.campaign-header {
  border-bottom: 2px solid #f1f3f4;
  padding: 0;
}

.csf-main section.campaign-header.hour_of_code_campaign {
  border-bottom: 0;
}

.campaign .h-c-page {
  padding-top: 32px;
  padding-bottom: 32px;
}

.campaign-header .button-container {
  padding-bottom: 24px;
}

.campaign.hour_of_code_campaign .h-c-page {
  padding-bottom: 0;
}

.campaign .banner img {
  display: inline-block;
  margin: 2em auto 1em auto;
  max-width: 300px;
}

.campaign .banner p {
  padding-top: 1em;
}

.csf-main section.campaign-footer {
  padding-top: 0;
}

.campaign-footer img {
  align-self: center;
  margin-bottom: 1em;
}

.campaign-footer .logo-box {
  display: flex;
  flex-flow: row;
  justify-content: center;
}

.campaign .block-container {
  justify-content: space-between;
  margin-bottom: 1em;
}

.campaign .block {
  width: 200px;
  margin: 0 auto 1em auto;
}

.campaign .block img {
  display: block;
  margin: 1em auto;
  max-width: 60px;
}

.campaign.nysd_campaign .banner {
  background: #e6f4ea;
  padding-top: 16px;
}

.campaign.hour_of_code_campaign .banner {
  background: #f6f9fe;
  padding-top: 16px;
  padding-bottom: 32px;
}

.campaign.hour_of_code_campaign .banner img {
   margin: 0;
}

@media only screen and (min-width: 1024px) {
  .nysd_campaign .banner p {
    margin-right: 25%;
  }
  .hour_of_code_campaign .banner p {
    margin-right: 20%;
  }

  .banner-img {
    max-height: 340px;
  }

  .campaign.hour_of_code_campaign .banner img {
    margin: -16px 0 0 -96px;
    max-width: 400px;
  }

}

/* ipad pro, chromebook and up */
@media only screen and (min-width: 1366px) {

  .campaign.hour_of_code_campaign .banner img {
    margin: -72px 0 0 -96px;
    max-width: 520px;
  }

}

@media only screen and (max-width: 1023px) {
  .campaign .banner p, .campaign .banner h2 {
    text-align: center;
  }
}

@media only screen and (max-width: 599px) {
  .campaign.hour_of_code_campaign .banner img {
    max-width: 300px;
  }
}

/** special teacher instruction panel - expansion panel element */
.instruction-panel {
  box-sizing: border-box;
  background: #fff;
  border: 1px solid #dadce0;
  border-radius: 5px;
  box-shadow: 0 2px 6px 2px rgba(60, 64, 67, .15);
  margin-top: -96px;
}

.instruction-panel .panel-header,
.instruction-panel .panel-content {
  align-items: flex-start;
  background: transparent;
  box-sizing: border-box;
  padding: 2em;
  justify-content: space-between;
}

.instruction-panel .panel-content-inner {
  width: 85%;
  padding-left: 1em;
  padding-right: 1em;
  position: relative;
  padding-right: 100px;
}

.instruction-panel .panel-header .panel-content-inner {
  align-self: center;
}

.instruction-panel li .panel-content-inner {
  padding: 1em 10% 1em 1em;
}

.instruction-panel .h-c-link.small {
  margin-right: 1rem;
}

.instruction-panel .h-c-button.small {
  margin-right: .5rem;
}

.instruction-panel:hover,  .instruction-panel:active {
  box-shadow: 0 4px 8px 4px rgba(90, 64, 115, .15);
}

.panel-img {
  width: 15%;
  flex-basis: 15%;
  max-width: 15%;
}

.instruction-panel li .panel-img img {
  margin-left: 1em;
  margin-top: 1em;
}

.panel-button {
  height: 100%;
  padding-top: .7em;
  position: absolute;
  right: 0;
  top: 0;
  text-align: center;
}

.toggle-btn {
  align-items: center;
  background-color: #f6f9fe;
  border-radius: 50%;
  display: flex;
  height: 36px;
  justify-content: center;
  transition: box-shadow 365ms cubic-bezier(.4,0,.2,1);
  width: 36px;
}

.toggle-btn.h-c-link:focus {
  outline: none;
}

.toggle-btn .material-icons {
  font-size: 36px;
}

.instruction-panel ol {
  margin: 0;
  padding: 0;
}

.instruction-panel ol li {
  padding: 0;
  list-style: none;
  border-top: 1px solid #dadce0;
}

/******** other one off stuff **********/

.butter-bar {
  background: lightyellow;
  padding: 10px;
  text-align: center;
  letter-spacing: .01428571em;
  font-family: Roboto,Arial,sans-serif;
  font-size: .875rem;
  font-weight: 400;
  line-height: 1.25rem;
  color: #3c4043;
}
.butter-bar span {
  max-width: 800px;
  display: block;
  margin: 0 auto;
}

#browser-version-butterbar {
  background: lightpink;
}

/******** special butterbar HOC **********/
.butter-bar.campaign_hoc {
  background: #f6f9fe !important;
  border: 1px solid #e8f0fe;
  border-radius: 5px;
  margin: 12px;
  padding: 6px 18px;
  text-align: left;
}

.butter-bar.campaign_hoc ul, .butter-bar.campaign_hoc li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.butter-bar.campaign_hoc ul {
  height: 100%;
}

.butter-bar.campaign_hoc .columns {
  display: inline-block;
  padding-right: 1rem;
}

.butter-bar.campaign_hoc .columns:last-child {
  border-left: 1px solid #e8f0fe;
  padding-left: 1rem;
}

.butter-bar.campaign_hoc img {
  margin-right: 1em;
}

.butter-bar.campaign_hoc .h-c-button.outline {
  color: #1a73e8;
  float: right;
  border: 1px solid #ccc;
  border-radius: 5px;
  background-color: #fff;
  font-size: 14px;
  padding: 17px 36px;
}

@media only screen and (max-width: 900px) {
  .butter-bar.campaign_hoc .h-c-button.outline  {
    padding: 17px 12px;
  }
}

#superscript {
  vertical-align: super;
  font-size: 50%;
  display: inline;
}

a.h-c-button.outline:visited {
  color: #1a73e8;
}

.start-cta {
  margin-bottom: 36px;
}
.start-cta h2, .start-cta h5 {
  max-width: 800px;
  margin: auto;
  line-height: 1.5;
}
.start-cta .major-cta {
  margin: 2em auto;
}

.cookie-disclaimer {
  display: none;
}

/*** form fields simulating some MDC style ***/

.mdl-textfield__input {
  border: none;
  border-bottom: 1px solid #000;
  background-color: #f8f9fa;
  color: rgba(0,0,0,0.87);
  height: 36px;
  border-bottom-color: #5f6368;
  font-family: Roboto,Arial,sans-serif;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: .00625em;
  line-height: 1.5rem;
  caret-color: #1a73e8;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding: 20px 16px 6px;
}

.mdl-textfield__input:focus {
  border-bottom: 1px solid #1a73e8;
  background-color: #ececec;
  outline: none;
}

.mdl-textfield__label {
  display: none;
}

input::placeholder {
  font-size: small;
}

button[type="submit"] {
  color: #1a73e8;
  background: #fff;
  border: 1px solid #dadce0;
  border-radius: 4px;
  padding: 6px 12px;
}

button[type="submit"]:hover {
  background: #e8f0fe;
}


/*** pagination on the activity pages
 * TODO: use generic name */

.video-nav {
  display: flex;
  justify-content: center;
  align-items: center;
}

.video-nav .h-c-link {
  padding: 6px 12px;
  background: none;
  border: 1px solid #dadce0;
  border-radius: 8px;
}

.video-nav button.h-c-link[disabled] {
  background-color: #dadce0;
}

/** special treatment for the next button */
.video-nav .h-c-link.next-button,
.video-nav .h-c-link.next-button:visited {
  background-color: #188038;
  color: #fff;
  padding-right: 0;
}

.video-nav .h-c-link.next-button:hover,
.video-nav .h-c-link.next-button:active,
.video-nav .h-c-link.next-button:focus {
  background-color: #1e8e3e;
}

.video-nav .h-c-link.prev-button {
  padding-left: 0;
}

.video-nav .h-c-link .h-c-icon {
  margin-right: .5em;
  margin-top: -2px;
}

.video-nav .h-c-link:hover,
.video-nav .h-c-link:focus {
  background-color: #e8f0fe;
  outline: none;
}

.video-nav .h-c-link:visited {
  color: #1a73e8;
}

.activity-progress {
  display: inline-block;
  padding: 1em;
  margin-top: .5em;
}

.activity-progress ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.activity-progress ul li {
  display: inline-block;
}

.video-nav-back,
.video-nav-back:hover,
.video-nav-back:focus,
.video-nav-next,
.video-nav-next:hover,
.video-nav-next:focus {
  color: #757575;
}

.video-nav-circle {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 16px;
  border: 1px solid #dadce0;
  margin: 4px;
}

.video-nav-circle.past {
  background: #9aa0a6;
  border-color: #9aa0a6;
}

.video-nav-circle.active, a.video-nav-circle:hover {
  background: #3B78E7;
  border: 1px solid #3B78E7;
}

.video-nav-circle.future {
  background: #fff;
}

@media (max-width: 599px) {

  .video-nav .h-c-link span {
    display: none;
  }

  .video-nav .h-c-link.next-button,
  .video-nav .h-c-link.prev-button {
    padding-right: 6px;
    padding-left: 6px;
  }

}