.vlabs-page {
    min-height: 100vh;
    overflow-x: hidden;
}

.vlabs-header {
    border-bottom: 8px solid #ff6600;
    font-family: 'Raleway', sans-serif;
}

.vlabs-page-main {
    font-size: 1rem;
    font-family: "Open Sans", sans-serif;
}

.vlabs-lab-name {
    font-size: 1.7rem;
}

.vlabs-footer {
    font-size: 14px;
    background: rgb(17, 17, 17);
    font-family: 'Raleway', sans-serif;
}

.vlabs-footer-sect-name {
    border-width: 0.15rem;
    border-style: solid;
    border-image: linear-gradient( to right, #3EC1D5 20%, #555 0% ) 0% 0% 100% 0%;
}

.vlabs-lab-name {
    color: #2C99CE;
}

.vlabs-page-content {
    font-size: 1.2rem;
    overflow-y: hidden;
    font-family: 'Raleway', sans-serif;
}

.social-links > a {
    color: #fff;
    border-radius: 50%;
    width: 36px;
    height: 36px;
}

.sidebar a {
    color: #3e6389;
}


.sidebar .tasks a {
    color: #5c5c5c;
}

.sidebar a.current-item {
    color: #ff6600;
}

.sidebar .tasks {
    font-size: 1rem;
}

.sidebar {
    border-right: 2px dotted #89a7c4;
    font-size: 1.2rem;
    font-weight: bold;
    overflow-x: hidden;
    box-sizing: content-box;
}

.vlabs-header a {
    margin: 0 1rem;
    padding: 0.5rem 1rem;
    color: #2C98CD;
}

.vlabs-header #headerNavbar a:hover {    
    background: #77BB41;
    color: #fff;
    border-radius: 10px;
}

.vlabs-header #headerNavbar a {
    border-radius: 10px;
    transition: 0.3s;
}

.breadcrumbs, .breadcrumbs a, .breadcrumbs span {
    font-size: 1.6rem;
    color: #337ab7;
}

.page-name {
    color: #337ab7;
}

/*pre-test and post-test page styling fix*/

.answers {
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}
.question {
    font-weight: 900;
}

/* feedback */
#feedback-btn {
    color: #2C99CE;
    border-color: #2C99CE;
}


/* to override markdown styling */
.markdown-body {
    font-family: 'Raleway', sans-serif;
    color: #000000;
    text-align: justify;
}

/* to fix the  extended lines*/
.markdown-body table tr {
    border-top: 0;
}

h1, h2, h3 {
    color: #2C99CE;
}

h2 {
    padding-top: 2rem;
    padding-bottom: 1rem;
}

h3 {
    font-size: 1.1rem;
    color: #333333;
    padding-top: 1rem;
    text-decoration: underline;
}


/* for ds experiments - video iframes */
iframe {
    width: 100%;
    height: calc(100vw/3);
}


.simulation-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding-top: 56.25%;
}

.responsive-iframe {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
}

.visible {
    width: max-content;
}

.hidden {
    width: 0px;
    border-width: 0px;
    padding: 0px;
}