/* Shared rules, that are always included, related to responsiveness. */
/* 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;
}
.hidden {
  display: none;
  visibility: hidden;
}
.visible-phone {
  display: none !important;
}
.visible-tablet {
  display: none !important;
}
.hidden-desktop {
  display: none !important;
}
@media screen and (max-width: 480px) {
  .visible-phone {
    display: inherit !important;
  }
  .hidden-phone {
    display: none !important;
  }
  .hidden-desktop {
    display: inherit !important;
  }
  .visible-desktop {
    display: none !important;
  }
}
.visible-on-responsive-page {
  display: block !important;
}
@media screen and (max-width: 480px) {
  body,
  #page-container {
    min-width: 0;
  }
  #top-header-container .sitewide-navigation .nav-subheader .nav-link,
  #top-header-container .nav-search-box {
    display: none;
  }
  #top-header-container .sitewide-navigation {
    display: block;
    width: 100%;
  }
  #top-header-container .nav-subheader {
    display: block;
  }
  #top-header-container #header-logo {
    display: block;
    float: none;
  }
  #top-header-container #page_auth {
    font-size: 90%;
    position: absolute;
    right: 0;
  }
  #top-header-container #page_auth #user-info > * {
    display: none;
  }
  #top-header-container #page_auth #user-info a {
    padding: 0 8px;
    border-right: none;
  }
  #top-header-container #page_auth #user-info a.highlight {
    display: inline;
  }
  .container {
    width: auto;
  }
  .row,
  .thumbnails {
    margin-left: 0;
  }
  .row-fluid {
    margin-bottom: 0;
  }
  .row-fluid [class*="span"] {
    display: block;
    float: none;
    margin-left: 0;
    margin-bottom: 20px;
    width: auto;
  }
  .row-fluid .span-one-third {
    margin: 0 auto;
    width: 300px;
  }
}
@media screen and (max-width: 567px) {
  .pure-visible-sm {
    display: none !important;
  }
  .pure-visible-md {
    display: none !important;
  }
  .pure-visible-lg {
    display: none !important;
  }
  .pure-visible-xl {
    display: none !important;
  }
  .pure-hidden-xs {
    display: none !important;
  }
  .pure-visible-xs {
    display: block !important;
  }
}
@media screen and (min-width: 568px) and (max-width: 767px) {
  .pure-visible-xs {
    display: none !important;
  }
  .pure-visible-md {
    display: none !important;
  }
  .pure-visible-lg {
    display: none !important;
  }
  .pure-visible-xl {
    display: none !important;
  }
  .pure-hidden-sm {
    display: none !important;
  }
  .pure-visible-sm {
    display: block !important;
  }
}
@media screen and (min-width: 768px) and (max-width: 1023px) {
  .pure-visible-xs {
    display: none !important;
  }
  .pure-visible-sm {
    display: none !important;
  }
  .pure-visible-lg {
    display: none !important;
  }
  .pure-visible-xl {
    display: none !important;
  }
  .pure-hidden-md {
    display: none !important;
  }
  .pure-visible-md {
    display: block !important;
  }
}
@media screen and (min-width: 1024px) and (max-width: 1199px) {
  .pure-visible-xs {
    display: none !important;
  }
  .pure-visible-sm {
    display: none !important;
  }
  .pure-visible-md {
    display: none !important;
  }
  .pure-visible-xl {
    display: none !important;
  }
  .pure-hidden-lg {
    display: none !important;
  }
  .pure-visible-lg {
    display: block !important;
  }
}
@media screen and (min-width: 1200px) {
  .pure-visible-xs {
    display: none !important;
  }
  .pure-visible-sm {
    display: none !important;
  }
  .pure-visible-md {
    display: none !important;
  }
  .pure-visible-lg {
    display: none !important;
  }
  .pure-hidden-xl {
    display: none !important;
  }
  .pure-visible-xl {
    display: block !important;
  }
}
.pure-g [class*="pure-u"] {
  font-family: inherit;
}
.responsive-img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
}
.pure-g.pure-g--gutter {
  margin-left: -2.56410256%;
}
.pure-g.pure-g--gutter > [class*=pure-u] {
  box-sizing: border-box;
  padding-left: 2.56410256%;
}
.lihp-badges .pure-g.pure-g--gutter {
  margin-left: 0;
}
.lihp-badges .pure-g.pure-g--gutter > [class*=pure-u] {
  padding-left: 0;
  padding-right: 2.56410256%;
}