@charset "UTF-8";
.img-circle {
  border-radius: 50%;
}
.thumbnail {
  display: block;
  padding: 4px;
  margin-bottom: 22px;
  line-height: 1.42857143;
  background-color: #ffffff;
  border: 1px solid #dddddd;
  border-radius: 4px;
  -webkit-transition: all 0.2s ease-in-out;
  -o-transition: all 0.2s ease-in-out;
  transition: all 0.2s ease-in-out;
}
.thumbnail > img,
.thumbnail a > img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
}
a.thumbnail:hover,
a.thumbnail:focus,
a.thumbnail.active {
  border-color: #428bca;
}
.thumbnail .caption {
  padding: 9px;
  color: #333333;
}
.list-unstyled {
  padding-left: 0;
  list-style: none;
}
.pull-right {
  float: right !important;
}
.pull-left {
  float: left !important;
}
.hide {
  display: none !important;
}
.show {
  display: block !important;
}
.invisible {
  visibility: hidden;
}
.hidden {
  display: none !important;
  visibility: hidden !important;
}
.affix {
  position: fixed;
}
.h1 {
  font-size: 41px;
}
.h2 {
  font-size: 34px;
}
.h3 {
  font-size: 24px;
}
.h4 {
  font-size: 20px;
}
.h5 {
  font-size: 16px;
}
.h6 {
  font-size: 14px;
}
.btn {
  display: inline-block;
  margin-bottom: 0;
  font-weight: normal;
  text-align: center;
  vertical-align: middle;
  touch-action: manipulation;
  cursor: pointer;
  background-image: none;
  border: 1px solid transparent;
  white-space: nowrap;
  padding: 6px 12px;
  font-size: 16px;
  line-height: 1.42857143;
  border-radius: 4px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}
.btn:hover,
.btn:focus,
.btn.focus {
  color: #333333;
  text-decoration: none;
}
.btn:active,
.btn.active {
  outline: 0;
  background-image: none;
  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
}
.btn.disabled,
.btn[disabled],
fieldset[disabled] .btn {
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.65;
  filter: alpha(opacity=65);
  -webkit-box-shadow: none;
  box-shadow: none;
}
.btn-default {
  color: #333333;
  background-color: #ffffff;
  border-color: #cccccc;
}
.btn-default:hover,
.btn-default:focus,
.btn-default.focus,
.btn-default:active,
.btn-default.active,
.open > .dropdown-toggle.btn-default {
  color: #333333;
  background-color: #e6e6e6;
  border-color: #adadad;
}
.btn-default:active,
.btn-default.active,
.open > .dropdown-toggle.btn-default {
  background-image: none;
}
.btn-default.disabled,
.btn-default[disabled],
fieldset[disabled] .btn-default,
.btn-default.disabled:hover,
.btn-default[disabled]:hover,
fieldset[disabled] .btn-default:hover,
.btn-default.disabled:focus,
.btn-default[disabled]:focus,
fieldset[disabled] .btn-default:focus,
.btn-default.disabled.focus,
.btn-default[disabled].focus,
fieldset[disabled] .btn-default.focus,
.btn-default.disabled:active,
.btn-default[disabled]:active,
fieldset[disabled] .btn-default:active,
.btn-default.disabled.active,
.btn-default[disabled].active,
fieldset[disabled] .btn-default.active {
  background-color: #ffffff;
  border-color: #cccccc;
}
.btn-default .badge {
  color: #ffffff;
  background-color: #333333;
}
.btn-primary {
  color: #ffffff;
  background-color: #005f9f;
  border-color: #005f9f;
}
.btn-primary:hover,
.btn-primary:focus,
.btn-primary.focus,
.btn-primary:active,
.btn-primary.active,
.open > .dropdown-toggle.btn-primary {
  color: #ffffff;
  background-color: #00416c;
  border-color: #003a62;
}
.btn-primary:active,
.btn-primary.active,
.open > .dropdown-toggle.btn-primary {
  background-image: none;
}
.btn-primary.disabled,
.btn-primary[disabled],
fieldset[disabled] .btn-primary,
.btn-primary.disabled:hover,
.btn-primary[disabled]:hover,
fieldset[disabled] .btn-primary:hover,
.btn-primary.disabled:focus,
.btn-primary[disabled]:focus,
fieldset[disabled] .btn-primary:focus,
.btn-primary.disabled.focus,
.btn-primary[disabled].focus,
fieldset[disabled] .btn-primary.focus,
.btn-primary.disabled:active,
.btn-primary[disabled]:active,
fieldset[disabled] .btn-primary:active,
.btn-primary.disabled.active,
.btn-primary[disabled].active,
fieldset[disabled] .btn-primary.active {
  background-color: #005f9f;
  border-color: #005f9f;
}
.btn-primary .badge {
  color: #005f9f;
  background-color: #ffffff;
}
.btn-success {
  color: #ffffff;
  background-color: #5cb85c;
  border-color: #5cb85c;
}
.btn-success:hover,
.btn-success:focus,
.btn-success.focus,
.btn-success:active,
.btn-success.active,
.open > .dropdown-toggle.btn-success {
  color: #ffffff;
  background-color: #449d44;
  border-color: #419641;
}
.btn-success:active,
.btn-success.active,
.open > .dropdown-toggle.btn-success {
  background-image: none;
}
.btn-success.disabled,
.btn-success[disabled],
fieldset[disabled] .btn-success,
.btn-success.disabled:hover,
.btn-success[disabled]:hover,
fieldset[disabled] .btn-success:hover,
.btn-success.disabled:focus,
.btn-success[disabled]:focus,
fieldset[disabled] .btn-success:focus,
.btn-success.disabled.focus,
.btn-success[disabled].focus,
fieldset[disabled] .btn-success.focus,
.btn-success.disabled:active,
.btn-success[disabled]:active,
fieldset[disabled] .btn-success:active,
.btn-success.disabled.active,
.btn-success[disabled].active,
fieldset[disabled] .btn-success.active {
  background-color: #5cb85c;
  border-color: #5cb85c;
}
.btn-success .badge {
  color: #5cb85c;
  background-color: #ffffff;
}
.btn-info {
  color: #ffffff;
  background-color: #5bc0de;
  border-color: #5bc0de;
}
.btn-info:hover,
.btn-info:focus,
.btn-info.focus,
.btn-info:active,
.btn-info.active,
.open > .dropdown-toggle.btn-info {
  color: #ffffff;
  background-color: #31b0d5;
  border-color: #2aabd2;
}
.btn-info:active,
.btn-info.active,
.open > .dropdown-toggle.btn-info {
  background-image: none;
}
.btn-info.disabled,
.btn-info[disabled],
fieldset[disabled] .btn-info,
.btn-info.disabled:hover,
.btn-info[disabled]:hover,
fieldset[disabled] .btn-info:hover,
.btn-info.disabled:focus,
.btn-info[disabled]:focus,
fieldset[disabled] .btn-info:focus,
.btn-info.disabled.focus,
.btn-info[disabled].focus,
fieldset[disabled] .btn-info.focus,
.btn-info.disabled:active,
.btn-info[disabled]:active,
fieldset[disabled] .btn-info:active,
.btn-info.disabled.active,
.btn-info[disabled].active,
fieldset[disabled] .btn-info.active {
  background-color: #5bc0de;
  border-color: #5bc0de;
}
.btn-info .badge {
  color: #5bc0de;
  background-color: #ffffff;
}
.btn-warning {
  color: #ffffff;
  background-color: #f0ad4e;
  border-color: #f0ad4e;
}
.btn-warning:hover,
.btn-warning:focus,
.btn-warning.focus,
.btn-warning:active,
.btn-warning.active,
.open > .dropdown-toggle.btn-warning {
  color: #ffffff;
  background-color: #ec971f;
  border-color: #eb9316;
}
.btn-warning:active,
.btn-warning.active,
.open > .dropdown-toggle.btn-warning {
  background-image: none;
}
.btn-warning.disabled,
.btn-warning[disabled],
fieldset[disabled] .btn-warning,
.btn-warning.disabled:hover,
.btn-warning[disabled]:hover,
fieldset[disabled] .btn-warning:hover,
.btn-warning.disabled:focus,
.btn-warning[disabled]:focus,
fieldset[disabled] .btn-warning:focus,
.btn-warning.disabled.focus,
.btn-warning[disabled].focus,
fieldset[disabled] .btn-warning.focus,
.btn-warning.disabled:active,
.btn-warning[disabled]:active,
fieldset[disabled] .btn-warning:active,
.btn-warning.disabled.active,
.btn-warning[disabled].active,
fieldset[disabled] .btn-warning.active {
  background-color: #f0ad4e;
  border-color: #f0ad4e;
}
.btn-warning .badge {
  color: #f0ad4e;
  background-color: #ffffff;
}
.btn-danger {
  color: #ffffff;
  background-color: #d9534f;
  border-color: #d9534f;
}
.btn-danger:hover,
.btn-danger:focus,
.btn-danger.focus,
.btn-danger:active,
.btn-danger.active,
.open > .dropdown-toggle.btn-danger {
  color: #ffffff;
  background-color: #c9302c;
  border-color: #c12e2a;
}
.btn-danger:active,
.btn-danger.active,
.open > .dropdown-toggle.btn-danger {
  background-image: none;
}
.btn-danger.disabled,
.btn-danger[disabled],
fieldset[disabled] .btn-danger,
.btn-danger.disabled:hover,
.btn-danger[disabled]:hover,
fieldset[disabled] .btn-danger:hover,
.btn-danger.disabled:focus,
.btn-danger[disabled]:focus,
fieldset[disabled] .btn-danger:focus,
.btn-danger.disabled.focus,
.btn-danger[disabled].focus,
fieldset[disabled] .btn-danger.focus,
.btn-danger.disabled:active,
.btn-danger[disabled]:active,
fieldset[disabled] .btn-danger:active,
.btn-danger.disabled.active,
.btn-danger[disabled].active,
fieldset[disabled] .btn-danger.active {
  background-color: #d9534f;
  border-color: #d9534f;
}
.btn-danger .badge {
  color: #d9534f;
  background-color: #ffffff;
}
.btn-link {
  color: #428bca;
  font-weight: normal;
  border-radius: 0;
}
.btn-link,
.btn-link:active,
.btn-link.active,
.btn-link[disabled],
fieldset[disabled] .btn-link {
  background-color: transparent;
  -webkit-box-shadow: none;
  box-shadow: none;
}
.btn-link,
.btn-link:hover,
.btn-link:focus,
.btn-link:active {
  border-color: transparent;
}
.btn-link:hover,
.btn-link:focus {
  color: #2a6496;
  text-decoration: underline;
  background-color: transparent;
}
.btn-link[disabled]:hover,
fieldset[disabled] .btn-link:hover,
.btn-link[disabled]:focus,
fieldset[disabled] .btn-link:focus {
  color: #999999;
  text-decoration: none;
}
.btn-lg {
  padding: 10px 16px;
  font-size: 23px;
  line-height: 1.33;
  border-radius: 6px;
}
.btn-sm {
  padding: 5px 10px;
  font-size: 14px;
  line-height: 1.5;
  border-radius: 3px;
}
.btn-xs {
  padding: 1px 5px;
  font-size: 14px;
  line-height: 1.5;
  border-radius: 3px;
}
.btn-block {
  display: block;
  width: 100%;
}
.btn-block + .btn-block {
  margin-top: 5px;
}
input[type="submit"].btn-block,
input[type="reset"].btn-block,
input[type="button"].btn-block {
  width: 100%;
}
img {
  max-width: 100%;
}
.hero.algebra-graphs {
  background-color: #269cb2;
}
.hero.trigonometry {
  background-color: #592b7f;
}
.hero.calculus {
  background-color: #a4733d;
}
.hero.vectors {
  background-color: #269781;
}
.hero.numerical-methods {
  background-color: #df0e5b;
}
.hero.circle-coordinate-geometry {
  background-color: #7cb43c;
}
.hero.sequences-and-series {
  background-color: #e76524;
}
.hero.surds {
  background-color: #902839;
}
a.square {
  text-align: center;
  display: inline-block;
  position: relative;
  color: #fff;
  width: 100%;
  margin-bottom: 30px;
}
a.square span {
  display: inline-block;
  vertical-align: middle;
  padding-left: 16px;
  padding-right: 16px;
}
@media (min-width: 992px) {
  a.square span {
    font-size: 19.2px;
  }
}
@media (min-width: 1200px) {
  a.square span {
    font-size: 23px;
  }
}
a.square.algebra-graphs {
  background-color: #269cb2;
}
a.square.algebra-graphs:hover {
  background-color: #1d7788;
}
a.square.trigonometry {
  background-color: #592b7f;
}
a.square.trigonometry:hover {
  background-color: #3e1e59;
}
a.square.calculus {
  background-color: #a4733d;
}
a.square.calculus:hover {
  background-color: #7f592f;
}
a.square.vectors {
  background-color: #269781;
}
a.square.vectors:hover {
  background-color: #1c6e5e;
}
a.square.numerical-methods {
  background-color: #df0e5b;
}
a.square.numerical-methods:hover {
  background-color: #af0b47;
}
a.square.circle-coordinate-geometry {
  background-color: #7cb43c;
}
a.square.circle-coordinate-geometry:hover {
  background-color: #628e2f;
}
a.square.sequences-and-series {
  background-color: #e76524;
}
a.square.sequences-and-series:hover {
  background-color: #c34f15;
}
a.square.surds {
  background-color: #902839;
}
a.square.surds:hover {
  background-color: #681d29;
}
main .container .generating {
  position: relative;
  text-align: center;
  padding: 30px 0;
}
main .container .generating p {
  font-style: italic;
  margin: 0;
}
main .container .generating .spinner {
  height: 50px;
  width: 50px;
  margin: 100px auto 20px auto;
  -webkit-animation: rotation .6s infinite linear;
  -moz-animation: rotation .6s infinite linear;
  -o-animation: rotation .6s infinite linear;
  animation: rotation .6s infinite linear;
  border-radius: 100%;
  z-index: 10;
}
@-webkit-keyframes rotation {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(359deg);
  }
}
@-moz-keyframes rotation {
  from {
    -moz-transform: rotate(0deg);
  }
  to {
    -moz-transform: rotate(359deg);
  }
}
@-o-keyframes rotation {
  from {
    -o-transform: rotate(0deg);
  }
  to {
    -o-transform: rotate(359deg);
  }
}
@keyframes rotation {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(359deg);
  }
}
main .container #content {
  display: none;
}
main .container #content #content-main h2 {
  margin-top: 90px;
}
main .container #content #content-main h2 span {
  display: block;
  border-left: 5px solid;
  padding-left: 10px;
}
main .container #content #content-main h2:first-of-type {
  border-top: 0;
  margin-top: 0 !important;
  padding-top: 0 !important;
}
main .container #content #content-main h2:before {
  display: block;
  content: " ";
  margin-top: -30px;
  height: 30px;
  visibility: hidden;
}
main .container #content #content-main h3 {
  color: #999999;
  margin: 45px 0 15px 0;
}
main .container #content #content-main h3:before {
  display: block;
  content: " ";
  margin-top: -30px;
  height: 30px;
  visibility: hidden;
}
main .container #content #content-main p,
main .container #content #content-main div.figure,
main .container #content #content-main ol,
main .container #content #content-main ul {
  margin-bottom: 30px;
}
main .container #content div#nav-secondary-container {
  margin: 0 0 40px;
}
@media (min-width: 700px) {
  main .container #content div#nav-secondary-container nav#nav-secondary {
    display: block;
  }
}
main .container #content div#nav-secondary-container nav#nav-secondary ul {
  position: relative;
  list-style: none;
  padding: 0;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li {
  display: block;
  margin-top: 10px;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li a {
  display: block;
  font-family: "museo-slab", Georgia, "Times New Roman", Times, serif;
  padding: 6px 15px calc(3px);
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li a:hover {
  background-color: #428bca;
  color: #fff !important;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li ul {
  position: relative;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li ul li a {
  border-bottom: 3px solid;
  font-size: 85%;
  font-weight: 400;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li ul li.active > a {
  color: #fff !important;
  font-weight: 900;
  border-bottom: 3px solid;
  position: relative;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li ul li ul {
  display: none;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li ul li.active > ul {
  display: block;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li ul li.active > ul li a {
  border: 0;
  font-weight: 300;
  padding-left: 42px;
  position: relative;
}
main .container #content div#nav-secondary-container nav#nav-secondary ul li ul li.active > ul li a:before {
  content: "↳";
  font-size: 70%;
  left: 22px;
  position: absolute;
  top: 8.8px;
}
main .container #content div#nav-secondary-container nav#nav-secondary > ul > li > a {
  background: #eeeeee;
  border-left: 40px solid #999999;
  color: #999999;
  padding: 10px 15px;
  position: relative;
}
main .container #content div#nav-secondary-container nav#nav-secondary > ul > li > a:before {
  display: block;
  color: #fff;
  content: "\e222";
  font-family: "Glyphicons Regular";
  left: -28px;
  position: absolute;
  top: 9px;
}
@media (min-width: 700px) and (max-width: 991px) {
  main .container #content #content-secondary {
    margin-top: 30px;
  }
}
main .container #content #content-secondary .cta {
  padding: 18px 15px;
  border: 3px solid #F0F0F0;
}
main .container #content #content-secondary .cta h3 {
  padding-left: 30px;
  position: relative;
  color: #aaa;
  font-size: 16px;
}
@media (min-width: 992px) {
  main .container #content #content-secondary .cta h3 {
    font-size: 20px;
  }
}
main .container #content #content-secondary .cta h3 span {
  position: absolute;
  top: 1px;
  left: 0;
}
main .container #content #content-secondary .cta p {
  color: #bbb;
}
main .container #content #content-secondary .cta p:last-child {
  margin-bottom: 0;
}
main .container #content #content-secondary .cta p a {
  display: inline-block;
  margin-bottom: 0;
  font-weight: normal;
  text-align: center;
  vertical-align: middle;
  touch-action: manipulation;
  cursor: pointer;
  background-image: none;
  border: 1px solid transparent;
  white-space: nowrap;
  padding: 6px 12px;
  font-size: 16px;
  line-height: 1.42857143;
  border-radius: 4px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  padding: 10px 16px;
  font-size: 23px;
  line-height: 1.33;
  border-radius: 6px;
  text-align: left;
  font-weight: 300;
  background: #F0F0F0;
  border-color: #F0F0F0;
  color: #999999;
  font-size: 80%;
  position: relative;
  white-space: normal;
}
main .container #content #content-secondary .cta p a:focus,
main .container #content #content-secondary .cta p a:active:focus,
main .container #content #content-secondary .cta p a.active:focus,
main .container #content #content-secondary .cta p a.focus,
main .container #content #content-secondary .cta p a:active.focus,
main .container #content #content-secondary .cta p a.active.focus {
  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}
main .container #content #content-secondary .cta p a:hover,
main .container #content #content-secondary .cta p a:focus,
main .container #content #content-secondary .cta p a.focus {
  color: #333333;
  text-decoration: none;
}
main .container #content #content-secondary .cta p a:active,
main .container #content #content-secondary .cta p a.active {
  outline: 0;
  background-image: none;
  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
}
main .container #content #content-secondary .cta p a.disabled,
main .container #content #content-secondary .cta p a[disabled],
fieldset[disabled] main .container #content #content-secondary .cta p a {
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.65;
  filter: alpha(opacity=65);
  -webkit-box-shadow: none;
  box-shadow: none;
}
@media (min-width: 700px) {
  main .container #content #content-secondary .cta p a {
    font-size: 90%;
  }
}
main .container #content #content-secondary .cta p a:hover,
main .container #content #content-secondary .cta p a:focus {
  background: #3071a9 !important;
  border-color: #3071a9 !important;
  color: #fff !important;
}
main .container #content #content-secondary .cta.engineering {
  margin-top: 10px;
}
main .container #content #content-secondary .cta.engineering h3 {
  margin-bottom: 10px;
}
main .container #content #content-secondary .cta.download a {
  background: #f15633;
  border-color: #f15633;
  color: #fff;
}