/*! HTML5 Boilerplate v4.3.0 | MIT License | http://h5bp.com/ */

/*
 * What follows is the result of much research on cross-browser styling.
 * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
 * Kroc Camen, and the H5BP dev community and team.
 */

/* ==========================================================================
   Base styles: opinionated defaults
   ========================================================================== */

   html,
   button,
   input,
   select,
   textarea {
    color: #222;
}

html {
    font-size: 16px;
    line-height: 1.4;
}

/*
 * Remove text-shadow in selection highlight: h5bp.com/i
 * These selection rule sets have to be separate.
 * Customize the background color to match your design.
 */

 ::-moz-selection {
    background: #b3d4fc;
    text-shadow: none;
}

::selection {
    background: #b3d4fc;
    text-shadow: none;
}

/*
 * A better looking default horizontal rule
 */

 hr {
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid #ccc;
    margin: 1em 0;
    padding: 0;
}

/*
 * Remove the gap between images, videos, audio and canvas and the bottom of
 * their containers: h5bp.com/i/440
 */

 audio,
 canvas,
 img,
 video {
    vertical-align: middle;
}

/*
 * Remove default fieldset styles.
 */

 fieldset {
    border: 0;
    margin: 0;
    padding: 0;
}

/*
 * Allow only vertical resizing of textareas.
 */

 textarea {
    resize: vertical;
}

/* ==========================================================================
   Browse Happy prompt
   ========================================================================== */

   .browsehappy {
    margin: 0.2em 0;
    background: #ccc;
    color: #000;
    padding: 0.2em 0;
}

/* ==========================================================================
   Author's custom styles
   ========================================================================== */
   html {
    outline: none;
    overflow-y: auto;
}
body {
    font-family: 'Roboto';
}
h1 {
    font-size: 5em;
}
h2 {
    font-size: 3em;
    margin-bottom: 10px;
}

@media (max-width: 768px) {
   h2 {
     font-size: 4em;
 }
}

h1,h2,h3 {
    font-weight: 200;
}
a {
    text-decoration: none;
}
p {
    font-size: 2em;
    font-weight: 200;
    color: #747474;
    margin: 0 auto 0 auto;
    padding-bottom: 20px;
}
.app-container {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    height: auto;
    overflow: hidden;
}
.app-menu {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    height: auto;
    color: #fff;
    background-size: cover;
    background-repeat: no-repeat;
    -webkit-backface-visibility: hidden; /* Chrome, Safari, Opera */
    backface-visibility: hidden;
}
.app-menu a {
    color: #fff;
}
.app-menu button#close{
    position: absolute;
    top: 30px;
    left: 30px;
    height: 70px;
    background: none;
    border: none;
}
.app-menu ul.off-nav {
    position: absolute;
    top: 18%;
    left: 2%;
    overflow: visible;
    font-size: 2.4em;
    font-weight: 200;
}
.off-nav li {
    line-height: 1.8em;

    -webkit-transform: translateX(-1000px);
    -moz-transform: translateX(-1000px);
    -o-transform: translateX(-1000px);
    -ms-transform: translateX(-1000px);
    transform: translateX(-1000px);

    -webkit-transition: -webkit-transform 400ms cubic-bezier(0.165, 0.84, 0.44, 1), opacity 300ms ease-in 300ms;
    -moz-transition: -moz-transform 400ms cubic-bezier(0.165, 0.84, 0.44, 1), opacity 300ms ease-in 300ms;
    -o-transition: -o-transform 400ms cubic-bezier(0.165, 0.84, 0.44, 1), opacity 300ms ease-in 300ms;
    transition: -webkit-transform 400ms cubic-bezier(0.165, 0.84, 0.44, 1),-moz-transform 400ms cubic-bezier(0.165, 0.84, 0.44, 1),-o-transform 400ms cubic-bezier(0.165, 0.84, 0.44, 1),transform 400ms cubic-bezier(0.165, 0.84, 0.44, 1), opacity 300ms ease-in 300ms;
}
.off-nav li a {
    opacity: .8;
    text-decoration: none;
}
.off-nav li a:hover {
    opacity: 1;
}
.content-overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    height: auto;
    cursor: pointer;
    background: rgba(255,255,255,.75);
    -webkit-backface-visibility: hidden; /* Chrome, Safari, Opera */
    backface-visibility: hidden;
}
.social-share {
    position: absolute;
    right: 0;
    top: 43px;
    overflow: hidden;
}
@media(max-width: 700px){
    .social-share {
       top: 75px;
       width: 100%;
       padding: 30px;
       box-sizing: border-box;
   }
}

.content {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    height: auto;
    overflow-y: auto;
    background: #efefef;
    -webkit-overflow-scrolling: touch;
    background-size: cover;
    background-repeat: no-repeat;
    -webkit-backface-visibility: hidden; /* Chrome, Safari, Opera */
    backface-visibility: hidden;
}
.content header {
    padding: 30px;
}

.content .title {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
    padding: 20px;
}
.content .title p a {
    color: #009cbe;
}
#close, #menu-icon {
    cursor: pointer;
}
.back-to-tutorial {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid #919191;
    padding: 5px 10px;
    border-radius: .2em;
    color: #919191;
    font-weight: 300;
    -webkit-transition: background .3s;
    transition: background .3s;
}
.back-to-tutorial:hover {
    background: #919191;
    color: #ededed;
}
.powered-by {
    margin-top: 50px;
}
.powered-by span {
    color: #919191;
    font-size: .7em;
}
.powered-by .logo {
    width: 100%;
    max-width: 150px;
}
/*
 * Transformicons
 */
 button:focus {
    outline: none;
}
button.lines-button {
    display: inline-block;
    margin: 0 1em;
    padding: 10px;
    height: 45px;
    width: 45px;
    background: transparent;
    border: none;
}
.lines {
    display: inline-block;
    width: 100%;
    height: 2px;
    border-radius: 2em;
    -webkit-transition: 0.3s;
    -moz-transition: 0.3s;
    -ms-transition: 0.3s;
    -o-transition: 0.3s;
    transition: 0.3s;
    vertical-align: 5px;
    position: relative;
    -webkit-backface-visibility: hidden; /* Chrome, Safari, Opera */
    backface-visibility: hidden;
}
.lines:before, .lines:after {
    display: inline-block;
    width: 100%;
    height: 2px;
    border-radius: 1em;
    transition: 0.3s;
    position: absolute;
    left: 0;
    content: '';
    -webkit-transform-origin: 0.28571rem center;
    -moz-transform-origin: 0.28571rem center;
    -o-transform-origin: 0.28571rem center;
    transform-origin: 0.28571rem center;
    -webkit-backface-visibility: hidden; /* Chrome, Safari, Opera */
    backface-visibility: hidden;
}
.lines:before {
    top: 5px;
}
.lines:after {
    top: -5px;
}
.close-lines {
    display: inline-block;
    width: 65px;
    height: 2px;
    background: transparent;
    border-radius: 2em;
    vertical-align: 5px;
    position: relative;
}
.close-lines:after{
    display: inline-block;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 1em;
    position: absolute;
    left: 0;
    content: '';
    -webkit-transform: rotate3d(0,0,1,45deg);
    -moz-transform: rotate3d(0,0,1,45deg);
    -ms-transform: rotate3d(0,0,1,45deg);
    -o-transform: rotate3d(0,0,1,45deg);
    transform: rotate3d(0,0,1,45deg);
}
.close-lines:before{
    display: inline-block;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 1em;
    position: absolute;
    left: 0;
    content: '';
    -webkit-transform: rotate3d(0,0,1,-45deg);
    -moz-transform: rotate3d(0,0,1,-45deg);
    -ms-transform: rotate3d(0,0,1,-45deg);
    -o-transform: rotate3d(0,0,1,-45deg);
    transform: rotate3d(0,0,1,-45deg);
}
/* ==========================================================================
   Helper classes
   ========================================================================== */

/*
 * Image replacement
 */

 .ir {
    background-color: transparent;
    border: 0;
    overflow: hidden;
    /* IE 6/7 fallback */
    *text-indent: -9999px;
}

.ir:before {
    content: "";
    display: block;
    width: 0;
    height: 150%;
}

/*
 * Hide from both screenreaders and browsers: h5bp.com/u
 */

 .hidden {
    display: none !important;
    visibility: hidden;
}

/*
 * Hide only visually, but have it available for screenreaders: h5bp.com/v
 */

 .visuallyhidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

/*
 * Extends the .visuallyhidden class to allow the element to be focusable
 * when navigated to via the keyboard: h5bp.com/p
 */

 .visuallyhidden.focusable:active,
 .visuallyhidden.focusable:focus {
    clip: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    position: static;
    width: auto;
}

/*
 * Hide visually and from screenreaders, but maintain layout
 */

 .invisible {
    visibility: hidden;
}

/*
 * Clearfix: contain floats
 *
 * For modern browsers
 * 1. The space content is one way to avoid an Opera bug when the
 *    `contenteditable` attribute is included anywhere else in the document.
 *    Otherwise it causes space to appear at the top and bottom of elements
 *    that receive the `clearfix` class.
 * 2. The use of `table` rather than `block` is only necessary if using
 *    `:before` to contain the top-margins of child elements.
 */

 .clearfix:before,
 .clearfix:after {
    content: " "; /* 1 */
    display: table; /* 2 */
}

.clearfix:after {
    clear: both;
}

/*
 * For IE 6/7 only
 * Include this rule to trigger hasLayout and contain floats.
 */

 .clearfix {
    *zoom: 1;
}

/* ==========================================================================
   EXAMPLE Media Queries for Responsive Design.
   These examples override the primary ('mobile first') styles.
   Modify as content requires.
   ========================================================================== */

   @media only screen and (min-width: 35em) {
    /* Style adjustments for viewports that meet the condition */
}

@media print,
(-o-min-device-pixel-ratio: 5/4),
(-webkit-min-device-pixel-ratio: 1.25),
(min-resolution: 120dpi) {
    /* Style adjustments for high resolution devices */
}

/* ==========================================================================
   Print styles.
   Inlined to avoid required HTTP connection: h5bp.com/r
   ========================================================================== */

   @media print {
    * {
        background: transparent !important;
        color: #000 !important; /* Black prints faster: h5bp.com/s */
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    a[href]:after {
        content: " (" attr(href) ")";
    }

    abbr[title]:after {
        content: " (" attr(title) ")";
    }

    /*
     * Don't show links for images, or javascript/internal links
     */

     .ir a:after,
     a[href^="javascript:"]:after,
     a[href^="#"]:after {
        content: "";
    }

    pre,
    blockquote {
        border: 1px solid #999;
        page-break-inside: avoid;
    }

    thead {
        display: table-header-group; /* h5bp.com/t */
    }

    tr,
    img {
        page-break-inside: avoid;
    }

    img {
        max-width: 100% !important;
    }

    @page {
        margin: 0.5cm;
    }

    p,
    h2,
    h3 {
        orphans: 3;
        widows: 3;
    }

    h2,
    h3 {
        page-break-after: avoid;
    }
}