/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */

html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */

/**
 * Remove the margin in all browsers.
 */

body {
  margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */

main {
  display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */

hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

pre {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */

/**
 * Remove the gray background on active links in IE 10.
 */

a {
  background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */

abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */

b,
strong {
  font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */

small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Embedded content
   ========================================================================== */

/**
 * Remove the border on images inside links in IE 10.
 */

img {
  border-style: none;
}

/* Forms
   ========================================================================== */

/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */

button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */

button,
input { /* 1 */
  overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */

button,
select { /* 1 */
  text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

/**
 * Restore the focus styles unset by the previous rule.
 */

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */

fieldset {
  padding: 0.35em 0.75em 0.625em;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */

legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */

textarea {
  overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */

[type="checkbox"],
[type="radio"] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */

[type="search"] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */

/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */

details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */

summary {
  display: list-item;
}

/* Misc
   ========================================================================== */

/**
 * Add the correct display in IE 10+.
 */

template {
  display: none;
}

/**
 * Add the correct display in IE 10.
 */

[hidden] {
  display: none;
}


/*****************************************************************************
 *****************************************************************************
 *****************************************************************************
 ****************************** Site Styles **********************************
 *****************************************************************************
 *****************************************************************************
 ****************************************************************************/



/**************************************
 * Universal styles
 **************************************/
* {
  box-sizing: border-box;
}

h1,h2,h3,h4,h5,h6 {
  font-family: "Helvetica";
  font-weight: 700;
  margin: 0;
}

p, li, blockquote, span {
  font-family: "Georgia";
  font-weight: 400;
  color: rgba(0,0,0,0.9);
  line-height: 1.6rem;
}

a {
  color: #007AB8;
}

.sr-only {
  position:absolute;
  left:-10000px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}

hr {
  border: 0;
  height: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  width: 50%;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

figure, figcaption {
  margin-left: 0;
  margin-right: 0;
  display: block;
}

/**************************************
 * Smartphones (portrait)
 **************************************/
@media only screen and (min-device-width : 320px) {
  html {
    font-size: 18px;
  }
  body {
    padding: 1rem 0 0.5rem;
  }
  .container, .site-header, .footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .container {
    margin: 0 0 1.5rem 0;
  }
  h2,h3,h4,h5,h6 {
    margin-bottom: 1rem;
  }
  h2 {
    font-size: 1.6rem;
  }
  h3 {
    font-size: 1.2rem;
  }
  ul ul, ol ol {
    margin-top: 0.5rem;
  }

  /* chrome */
  .site-header {
    margin-bottom: 1.5rem;
  }
  .site-header__logo {
    display: block;
    color: #222;
    font-family: "Helvetica Neue", Helvetica;
    font-weight: bold;
    text-decoration: none;
  }
  .site-header__nav {
    list-style-type: none;
    margin: 0.2rem 0 0 0;
    padding-left: 0;
  }
  .site-header__nav__item {
    display: inline-block;
    margin-bottom: 0;
  }
  .site-header__nav__link {
    text-decoration: none;
    font-size: 0.9rem;
    font-family: "Helvetica Neue", Helvetica;
    margin-right: 0.33rem;
  }
  .site-header__nav__link.active {
    border-bottom: 1px dotted;
  }
  .footer {
    font-size: 0.8rem;
  }
  .copyright {
    color: rgba(0,0,0,0.6);
    margin: 0;
  }


  /* index */
  .blog-post {
    margin-bottom: 1.2em;
  }
  .blog-post.last,
  .blog-post.last .blog-post__date {
    margin-bottom: 0;
  }
  .blog-post__title {
    display: block;
    font-size: 1.4rem;
    margin-bottom: 0.3rem;
  }
  .blog-post__subtitle {
    margin: 0 0 0.3rem 0;
    font-size: 1rem;
    line-height: 1.4rem;
    padding: 0;
  }
  .blog-post__date {
    color: rgba(0,0,0,0.6);
    font-family: "Helvetica";
    font-size: 0.8rem;
    line-height: 1rem;
    padding: 0;
    margin: 0;
    text-transform: uppercase;
  }

  /* blog post content */
  .promo {
    text-align: center;
    margin-bottom: 1rem;
  }
  .post__header {
    margin-bottom: 1.5rem;
  }
  .post__title {
    font-size: 2rem;
    margin-bottom: 0;
  }
  .post__subtitle {
    font-size: 1.5rem;
    font-weight: 200;
    color:rgba(99, 99, 99, 0.8);
    margin-top: 0.2rem;
    margin-bottom: 0;
  }
  .post p {
    margin-bottom: 1.2rem;
  }
  blockquote {
    margin: 0;
    border-left: 3px solid rgba(0,0,0,0.2);
    padding-left: 1rem;
  }
  blockquote p {
    padding-right: 0;
  }
  blockquote cite {
    font-size: 0.9rem;
  }
  .post ul,
  .post ol {
    padding-left: 1.5rem;
  }
  .post ul li,
  .post ol li {
    margin-bottom: 0.8rem;
  }

  /* for the a11y blog post, which is long enough
   * to require a TOC */
  .post .toc li {
    margin-bottom: 0;
  }
  .post .toc li ul {
    margin-top: 0;
  }

  .post .photo-block {
    margin-bottom: 1.2rem;
  }
  .post .caption {
    font-size: 0.8rem;
    line-height: 1.2;
  }


  pre {
    background-color: rgb(246,248,250);
    border-radius: 6px;
    border: 1px solid #d0d7de;
    color: rgb(36,41,47);
    font-size: 90%;
    line-height: 1.45;
    padding: 16px;
    overflow-wrap: normal;
    white-space: pre-wrap;
  }
  code {
    font-family: monospace;
    font-size: 0.75em;
  }
  p code {
    padding: .1em .25em;
    color: rgba(0,0,0,0.6);
    background-color: rgba(253,246,227,.7);
    border: 1px solid rgba(250,231,179,.7);
    border-radius: 3px;
  }

  /** should optimize these images **/
  img {
    max-width: 100%;
  }
  img.bordered {
    border: 1px solid #222;
  }
  .img-container {
    text-align: center;
    margin-bottom: 1rem;
  }

  .post-links {
    font-family: "Helvetica Neue", Helvetica;
    font-size: 0.8rem;
    line-height: 1rem;
  }
  .post-links__link {
    color: rgba(0,0,0,0.6);
  }
  .post-links__previous {
    margin-bottom: 0.5rem;
  }

  /** talks page **/
  .talks-heading {
    margin-bottom: 1rem;
  }
  .talks-promo {
    display: block;
    margin: 0 auto 1.2rem;
  }

  /** iframe embeds (youtube) */
  /* via https://stackoverflow.com/questions/15255858/set-the-iframe-height-automatically */
  .iframe-embed {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100%;
    width: 100%;
    border: 0;
  }
  .iframe-embed-wrapper {
    position: relative;
    display: block;
    height: 0;
    padding: 0;
    overflow: hidden;
  }
  .iframe-embed-responsive-16by9 {
    padding-bottom: 56.25%;
  }
  .iframe-embed-wrapper,
  .speakerdeck-embed-wrapper {
    margin-bottom: 1.5rem;
  }
}


/**************************************
 * iPads (portrait)
 **************************************/
@media only screen and (min-device-width : 768px) {
  html {
    font-size: 20px;
  }
  body {
    padding: 1rem 0 0.5rem;
  }
  .container, .site-header, .footer {
    padding: 0;
    max-width: 700px;
    margin: 0 auto;
  }
  .promo {
    padding: 0;
    max-width: 700px;
    margin: 0 auto 1rem;
  }
  .site-header {
    margin-bottom: 1.5rem;
  }
  .container {
    margin-bottom: 1.5rem;
  }


}


/**************************************
 * iPads (landscape)
 **************************************/
@media only screen and (min-device-width : 768px) and (orientation: landscape) {
  html {
    font-size: 20px;
  }

  .container, .site-header, .footer,
  .promo {
    max-width: 880px;
  }

}