html {
    font-family: sans-serif;
    /* 1 */
    -ms-text-size-adjust: 100%;
    /* 2 */
    -webkit-text-size-adjust: 100%;
    /* 2 */
}
body {
    margin: 0;
}
input::-webkit-outer-spin-button,input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary {
    display: block;
}
audio,canvas,progress,video {
    display: inline-block;
    /* 1 */
    vertical-align: baseline;
    /* 2 */
}
audio:not([controls]) {
    display: none;
    height: 0;
}
[hidden],template {
    display: none;
}
a {
    background-color: transparent;
}
a:active,a:hover {
    outline: 0;
}
abbr[title] {
    border-bottom: 1px dotted;
}
b,strong {
    font-weight: bold;
}
dfn {
    font-style: italic;
}
h1 {
    font-size: 13px;
    margin: 0;
}
mark {
    background: #ff0;
    color: #000;
}
small {
    font-size: 80%;
}
sub,sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}
sup {
    top: -0.5em;
}
sub {
    bottom: -0.25em;
}
img {
    border: 0;
}
svg:not(:root) {
    overflow: hidden;
}
figure {
    margin: 1em 40px;
}
hr {
    -moz-box-sizing: content-box;
    box-sizing: content-box;
    height: 0;
}
pre {
    overflow: auto;
}
code,kbd,pre,samp {
    font-family: monospace, monospace;
    font-size: 1em;
}
button,input,optgroup,select,textarea {
    color: inherit;
    /* 1 */
    font: inherit;
    /* 2 */
    margin: 0;
    /* 3 */
}
input[type='radio'] {
    cursor: pointer;
}
button {
    overflow: visible;
}
button,select {
    text-transform: none;
}
button,html input[type="button"],
/* 1 */
input[type="reset"],input[type="submit"] {
    -webkit-appearance: button;
    /* 2 */
    cursor: pointer;
    /* 3 */
}
button[disabled],html input[disabled] {
    cursor: default;
}
button::-moz-focus-inner,input::-moz-focus-inner {
    border: 0;
    padding: 0;
}
input {
    line-height: normal;
}
input[type="checkbox"],input[type="radio"] {
    box-sizing: border-box;
    /* 1 */
    padding: 0;
    /* 2 */
}
input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button {
    height: auto;
}
input[type="search"] {
    -webkit-appearance: textfield;
    /* 1 */
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box;
    /* 2 */
    box-sizing: content-box;
}
input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}
fieldset {
    border: 1px solid #c0c0c0;
    margin: 0 2px;
    padding: 0.35em 0.625em 0.75em;
}
legend {
    border: 0;
    /* 1 */
    padding: 0;
    /* 2 */
}
textarea {
    overflow: auto;
}
optgroup {
    font-weight: bold;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
td,th {
    padding: 0;
}
body {
    margin: 0;
    padding: 0;
    font-family: Arial, Verdana, Helvetica, sans-serif;
    font-size: 14px;
}
#mainContainer {
    border: 1px solid #B9DCE2;
    height: 643px;
    margin: 0px auto;
    width: 800px;
}
header {
    background-color: #323B47;
    height: 44px;
    color: #fff;
}
header h1 {
    float: left;
    line-height: 44px;
    padding: 0 10px;
    font-size: 14px;
    font-weight: normal;
}
nav {
    float: right
}
ul.tabs {
    margin: 3px 0 0 0;
    padding: 0;
    list-style: none;
    height: 44px;
    margin-right: 3px
}
ul.tabs li {
    float: left;
    margin: 0 1px;
    padding: 0;
    height: 44px;
    line-height: 41px;
    overflow: hidden;
    position: relative;
    text-align: center;
}
ul.tabs li a {
    text-decoration: none;
    color: #fff;
    display: block;
    font-size: 13px;
    /*outline: none;*/
    width: 100px;
}
li.active {}
ul>li:first-child.active {
    border-left: 0px solid #e5e9ea!important;
}
ul>li:last-child.active {
    border-right: 0px solid #e5e9ea!important;
}
ul.tabs li a:hover {
    background-color: #ebeced;
    font-weight: bold;
    color: #323a46
}
html ul.tabs li.active a:hover {
    background: #fff;
    color: #15a7b6;
}
html ul.tabs li.active a {
    color: #15a7b6;
    font-weight: bold;
    background: #fff;
}
section {
    padding: 10px 15px
}
section.big {
    padding: 10px 5px
}
.content {
    margin-top: 5px;
    background: #f0f0f0;
    padding: 5px;
    height: 137px;
    overflow: auto;
    line-height: 18px;
    font-size: 13px
}
/*.content {
    background: #f0f0f0;
    padding: 5px 5px 0;
    height: 107px;
    overflow: auto;
    line-height: 13px;
    font-size: 11px;
}*/
.content h4 {
    margin: 0;
    padding: 0;
}
.content ol {
    margin: 3px 0 5px 0;
    padding: 0 0 0 25px;
}
.content ol li {
    padding: 0 0 0 10px;
}
.areaactivity {
    width: 560px;
    float: left;
    margin-right: 4px;
}
.areaactivity .graph {
    height: 390px;
    /*background:url(../images/bg.jpg);*/
}
.areaactivity .controls {
    /*margin-top: 5px;*/
    height: 288px;
    background: #f0f0f0;
    /*padding: 10px*/
    padding: 3px
}
.controls h4,.controls h5 {
    margin: 2px 0 5px 0;
    padding: 0;
    font-size: 13px;
    font-weight: normal
}
.areaaccordion {
    float: left;
    margin-left: 5px;
    width: 224px;
    height: 539px;
}
.block {
    /*width: 190px;*/
    width: 242px;
    /*margin: 9px;*/
    margin: 0px;
    float: left;
}
.block.rt {
    float: right;
}
.block::after,.clearfix {
    content: '';
    clear: both;
    display: block;
}
.block a {
    width: 16px;
    height: 16px;
    border: 1px solid #454948;
    border-radius: 3px;
    text-align: center;
    float: left;
    margin: 0px 5px 0 0;
    line-height: normal;
    text-decoration: none;
    color: #000;
    cursor: pointer;
    padding: 3px;
    background: #cdcccc;
    border-color: #b0b0af;
}
.block a.inActive {
    background: #fff;
    border-color: #eee;
}
.block a.active {
    background: #1aa8b6;
    border-color: #454948;
    color: #fff;
}
.block div.field,input.field {
    border-radius: 3px;
    /*border: 1px solid #b0b0af;*/
    color: #f00;
    text-align: center;
    /*width: 80px;*/
    min-width: 80px;
    /*background: #fff;*/
    padding: 3px;
    font-style: italic;
    float: left;
}
.controls h5 {
    float: left;
    /*width: 70px;*/
    width: 147px;
    line-height: 24px;
}
.block div.field.small,input.field {
    width: 50px;
    float: right
}
.rangeslider,.rangeslider__fill {
    background: #888;
    display: block;
    height: 5px !important;
    width: 100%;
}
.rangeslider {
    position: relative;
}
.rangeslider__fill,.ui-slider-range {
    background: #1aa8b6;
    position: absolute;
    top: 0;
}
.rangeslider__handle,.ui-slider-handle {
    cursor: pointer !important;
    display: inline-block;
    width: 22px;
    height: 22px;
    position: absolute;
    top: -7px !important;
    background: url(../images/nav_but.png) no-repeat;
}
.rangeslider__handle:after {
    content: "";
    display: block;
    width: 22px;
    height: 22px;
    margin: auto;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}
input[type="range"]:focus + .rangeslider .rangeslider__handle {
    -webkit-box-shadow: 0 0 8px rgba(255, 0, 255, 0.9);
    -moz-box-shadow: 0 0 8px rgba(255, 0, 255, 0.9);
    box-shadow: 0 0 8px rgba(255, 0, 255, 0.9);
}
.areaaccordion h2 {
    font-size: 13px;
    font-weight: normal;
    padding: 5px;
    margin: 0;
    background: #ebeced;
    margin-bottom: 2px;
    line-height: 20px;
    border: #ebeced 1px solid;
    cursor: pointer
}
.areaaccordion h2.active,.ui-accordion-header-active {
    color: #15a7b6 !important;
    font-weight: bold !important;
    background: #fff !important;
}
.areaaccordion .cont {
    border: #ebeced 1px solid;
    padding: 5px;
    margin-top: -2px;
    font-size: 13px;
    margin-bottom: 2px;
    height: 472px;
    overflow-x: hidden;
}
.areaaccordion .cont p {
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 18px
}
.areaaccordion .cont h5 {
    margin: 0 0 12px 0;
    font-size: 12px;
    font-weight: normal;
    color: #666;
}
.areaaccordion .cont p strong {
    color: #666
}
.questions div {
    padding-bottom: 10px
}
label {
    display: block;
    margin: 5px 10px;
    position: relative;
}
.submit-but,.next-but {
    font-size: 12px;
    font-weight: bold;
    /*width: 108px;*/
    border: 2px solid #15a7b6;
    color: #fff;
    /*padding: 10px 0px 11px 0px;*/
    padding: 2px 0px 2px 0px;
    width: 100%;
    text-align: center;
    margin: 0 auto;
    margin-top: 0px;
    margin-left: 2px;
    float: left;
    background: #1aa8b6;
    cursor: pointer;
}
.next-but {
    border-color: #9bccd5;
    background: #fff;
    color: #1aa8b6;
    width: 100px
}
.questions {
    min-height: 355px;
}
.blue-text {
    color: #15a7b6 !important;
}
.equation-text {
    color: black !important;
}
/*questions*/
.questions {
    display: none;
    font-size: 12px;
    line-height: 15px;
}
#question1,#question2,#question3 {
    margin-bottom: 12px;
}
.questions.active {
    display: block;
}
.questions .correctOption {
    background: url("../images/correct.png") 50% 50% no-repeat;
    width: 12px;
    height: 12px;
    position: absolute;
    left: -11px;
}
.questions .incorrectOption {
    background: url("../images/incorrect.png") 50% 50% no-repeat;
    width: 12px;
    height: 12px;
    position: absolute;
    left: -12px;
}
.navigation {
    width: 200px;
    margin: 9px auto;
}
.navigation::after {
    content: '';
    clear: both;
    display: block;
}
.quesNav {
    width: 16px;
    height: 16px;
    border: 1px solid #454948;
    border-radius: 8px;
    text-align: center;
    float: left;
    margin: 0px 4px;
    line-height: normal;
    text-decoration: none;
    color: #000;
}
.quesNav.inActive {
    background: #cdcccc;
    border-color: #b0b0af;
}
.quesNav.active {
    background: #1aa8b6;
    border-color: #454948;
    color: #fff;
}
.quesNav img {
    margin: 0px 0px;
    float: none;
}
.quesNav span {
    margin: 1px 0;
    display: block;
}
/*questions*/
.vjs-default-skin .vjs-big-play-button {
    left: 40% !important;
    top: 42% !important;
}
.video-js {
    margin: auto;
}
.video-js .vjs-captions {
    color: #FFF !important/* Captions are #FF0 */
    ;
}
.video-js .vjs-text-track {
    background-color: rgba(0, 0, 0, 0.7) !important;
}
.lines_field {
    border-radius: 3px;
    border: 1px solid #b0b0af;
    color: #f00;
    text-align: center;
    /* width: 80px; */
    min-width: 20px;
    width: 34px;
    background: #fff;
    padding: 3px;
    /*font-style: italic;*/
    /* float: left; */
}
#warning-message {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #eee;
    display: none;
    z-index: 9999999;
    text-align: center;
    font-size: 25px;
    text-align: center;
}
/*@media only screen and (orientation:portrait)*/
@media only screen and (max-width:1000px) {
    .touch #mainContainer {
        display: none;
    }
    .touch #warning-message {
        display: block;
    }
}
.forms {
    display: none;
    margin-right: 6px;
}
.selectBox {
    float: left;
    margin: 6px 6px 17px 6px;
}
.button_holder {
    position: absolute;
    right: 0;
    top: 197px;
    margin: 0 10px;
    width: 106px;
}
.areaactivity {
    position: relative;
}
span.coefficient {
    margin: 0 10px;
}
.conics {
    text-align: center;
}
.circularSlider {
    float: left;
    margin: 0 40px 10px 0;
}
#slider_a {
    margin-left: 65px;
}
#slider_e {
    margin-right: 35px;
}
input#p_f {
    width: 40px;
}
.dials {
    height: 60px;
    margin-top: 2px;
}
.axis_label {
    font-style: italic;
}
.result {
    font-weight: bold;
    height: 16px;
    margin: 5px 0;
    margin-left: 208px;
}
.welcome {
    position: absolute;
    top: 50px;
    left: 48px;
    font-size: 11px;
}
.welcome1 {
    position: absolute;
    top: 50px;
    left: 110px;
    font-size: 11px;
}
.dialGuides {
    position: absolute;
    font-size: 11px;
    width: 30px;
}
.dialGuides.min {
    left: -18px;
    bottom: -10px;
    text-align: right;
    width: 30px;
}
.dialGuides.max {
    right: -20px;
    bottom: -10px;
    text-align: left;
}
.dialGuides.zero {
    top: -12px;
    text-align: center;
    left: 10px;
}
.variable.dialGuides {
    top: 16px;
    left: 10px;
    z-index: 3;
    text-align: center;
    font-style: italic;
    font-size: 14px;
}
.parabola {
    margin-left: 10px;
}
.parabola span.coefficient {
    margin: 0;
}
.parabola .circularSlider {
    margin: 10px 10px;
    margin-left: 20px;
    margin-right: -6px;
}
a.prev.quesNav,a.next.quesNav {
    margin: 0;
}
a.prev.quesNav img {
    position: relative;
    left: -1px;
}
a.next.quesNav img {
    position: relative;
    right: -1px;
}
a.prev.quesNav.inActive,a.next.quesNav.inActive {
    cursor: default;
}
span.standardVars {
    /*display: inline-block;*/
    position: relative;
    width: 110px;
    margin: 0;
    text-align: center;
    display: block;
    float: left;
}
.rightSideArea {
    float: left;
    width: 340px;
    font-size: 12px;
}
.leftSideArea {
    float: left;
}
.standardVars.longWidth,.longWidth {
    width: 100px;
    height: 32px;
}
.standardVars.coeff,.coeff {
    margin-bottom: 10px;
}
.circle .dials .cirDial_h {
    margin-left: 20px;
}
.circle .dials .cirDial_k {
    margin-right: 20px;
}
.circle .dials .cirDial_r {
    margin-right: 0;
    margin-left: 0;
}
.ellipse .leftSideArea span.wrap_a {
    display: block;
    float: left;
    border-top: 1px solid black;
    margin-top: 2px;
    padding-top: 2px;
    padding-left: 15px;
    padding-right: 14px;
    margin-right: 18px;
}
.ellipse .leftSideArea span.wrap_b {
    display: block;
    float: left;
    border-top: 1px solid black;
    margin-top: 2px;
    padding-top: 2px;
    padding-left: 15px;
    padding-right: 10px;
    margin-right: 15px;
}
.ellipse #ellipDial_h {
    margin-left: 20px;
}
.ellipse #ellipDial_a {
    margin-left: 10px;
}
.ellipse #ellipDial_b {
    margin-left: 10px;
}
.coeffMiddle{
    position: relative;
    top: 13px;
}
.hyperbola .leftSideArea span.wrap_a {
    display: block;
    float: left;
    border-top: 1px solid black;
    margin-top: 2px;
    padding-top: 2px;
    padding-left: 15px;
    padding-right: 14px;
    margin-right: 15px;
}
.hyperbola .leftSideArea span.wrap_b {
    display: block;
    float: left;
    border-top: 1px solid black;
    margin-top: 2px;
    padding-top: 2px;
    padding-left: 12px;
    padding-right: 10px;
}
.hyperbola .dials.hyperTopDial {
    margin-left: 20px;
}
.hyperbola .dials.hyperBottomDial {
    margin-left: 15px;
}
input#conics_a,input#conics_c,input#conics_d,input#conics_e,input#conics_f {
    width: 50px;
}
input#conics_f {
    width: 70px;
}
div#slider_a {
    margin-left: 28px;
}
div#slider_c,div#slider_d,div#slider_e,div#slider_f {
    margin-left: 15px;
}
.concept_left_area {
    width: 360px;
    float: left;
}
.concept_right_area {
    float: left;
    width: 360px;
    border-left: 1px solid black;
    padding-left: 10px;
}
.concept_parabola_y,
.concept_parabola_x {
    margin-left: 5px;
}
.concept_formula {
    width: 70px;
    height: 18px;
    display: block;
    float: left;
}
.ellip_a,
.ellip_b {
    width: 22px;
    border-top: 1px solid black;
    margin-top: 2px;
    display: block;
    float: left;
    padding-left: 12px;
    padding-top: 2px;
}
.ellip_b {
    margin-left: 20px;
}
.concept_ellipse {
    width: 70px;
    height: 18px;
    display: block;
    float: left;
    top: -8px;
    position: relative;
}
.signMiddle {
    position: relative;
    top: 11px;
}
.questionParent p {
    padding-left: 10px;
    top: -2px;
    position: relative;
    margin-left: 10px;
}
.questions input {
    position: absolute;
}
.standardform {
    font-weight: bold;
    height: 16px;
    float: left;
    margin: 5px 0;
    position: absolute;
}
.circle .rightSideArea {
    width: 305px;
}
.circle .standardVars {
    width: 100px;
}
.baseEqualsign {
    margin-left: -5px;
}
.circularSlider .rs-range-color {
    background-color: #15a7b6;
}
.recenter:hover {
    background-color: rgb(170, 170, 170) !important;
}
#graph_wrapper_navigationbar {
    padding: 4px !important;
    background-color: #d2d2d2 !important;
}
#graph_wrapper_navigationbar span:nth-child(3) {
    margin-right: 5px;
}