* {
  box-sizing: border-box; }

body {
  padding: 0;
  margin: 0;
  /* http://zenozeng.github.io/fonts.css/ */
  font-family: "Open Sans", "Helvetica Neue", Helvetica, "Nimbus Sans L", Arial, "Liberation Sans", "PingFang SC", "Hiragino Sans GB", "Source Han Sans CN", "Source Han Sans SC", "Microsoft YaHei", "Wenquanyi Micro Hei", "WenQuanYi Zen Hei", "ST Heiti", SimHei, "WenQuanYi Zen Hei Sharp", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #606c71; }

a {
  color: #1ea8e8;
  text-decoration: none; }
  a:hover {
    text-decoration: underline; }

.btn {
  display: inline-block;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.7);
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  border-style: solid;
  border-width: 1px;
  border-radius: 0.3rem;
  transition: color 0.2s, background-color 0.2s, border-color 0.2s; }
  .btn:hover {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5); }
  .btn + .btn {
    margin-left: 1rem; }
  @media screen and (min-width: 64em) {
    .btn {
      padding: 0.75rem 1rem; } }
  @media screen and (min-width: 42em) and (max-width: 64em) {
    .btn {
      padding: 0.6rem 0.9rem;
      font-size: 0.9rem; } }
  @media screen and (max-width: 42em) {
    .btn {
      display: block;
      width: 100%;
      padding: 0.75rem;
      font-size: 0.9rem; }
      .btn + .btn {
        margin-top: 1rem;
        margin-left: 0; } }

.page-header {
  color: #fff;
  text-align: center;
  background-color: #28ded6;
  background-image: linear-gradient(120deg, #1ea8e8, #1ed1da);}

  @media screen and (min-width: 64em) {
    .page-header {
      padding: 5rem 6rem; } }
  @media screen and (min-width: 42em) and (max-width: 64em) {
    .page-header {
      padding: 3rem 4rem; } }
  @media screen and (max-width: 42em) {
    .page-header {
      padding: 2rem 1rem; } }

.project-name {
  margin-top: 0;
  margin-bottom: 0.1rem; }
  @media screen and (min-width: 64em) {
    .project-name {
      font-size: 3.25rem; } }
  @media screen and (min-width: 42em) and (max-width: 64em) {
    .project-name {
      font-size: 2.25rem; } }
  @media screen and (max-width: 42em) {
    .project-name {
      font-size: 1.75rem; } }

.project-tagline {
  margin-bottom: 2rem;
  font-weight: normal;
  opacity: 0.9; }
  @media screen and (min-width: 64em) {
    .project-tagline {
      font-size: 1.25rem; } }
  @media screen and (min-width: 42em) and (max-width: 64em) {
    .project-tagline {
      font-size: 1.15rem; } }
  @media screen and (max-width: 42em) {
    .project-tagline {
      font-size: 1rem; } }

.main-content {
  word-wrap: break-word; }
  .main-content :first-child {
    margin-top: 0; }
  @media screen and (min-width: 64em) {
    .main-content {
      max-width: 64rem;
      padding: 2rem 6rem;
      margin: 0 auto;
      font-size: 1.1rem; } }
  @media screen and (min-width: 42em) and (max-width: 64em) {
    .main-content {
      padding: 2rem 4rem;
      font-size: 1.1rem; } }
  @media screen and (max-width: 42em) {
    .main-content {
      padding: 2rem 1rem;
      font-size: 1rem; } }
  .main-content img {
    max-width: 100%; }
  .main-content h1,
  .main-content h2,
  .main-content h3,
  .main-content h4,
  .main-content h5,
  .main-content h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: normal;
    color: #59bcc1; }
  .main-content p {
    margin-bottom: 1em; }
  .main-content code {
    padding: 2px 4px;
    font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 0.9rem;
    color: #567482;
    background-color: #f3f6fa;
    border-radius: 0.3rem; }
  .main-content pre {
    padding: 0.8rem;
    margin-top: 0;
    margin-bottom: 1rem;
    font: 1rem Consolas, "Liberation Mono", Menlo, Courier, monospace;
    color: #567482;
    word-wrap: normal;
    background-color: #f3f6fa;
    border: solid 1px #dce6f0;
    border-radius: 0.3rem; }
    .main-content pre > code {
      padding: 0;
      margin: 0;
      font-size: 0.9rem;
      color: #567482;
      word-break: normal;
      white-space: pre;
      background: transparent;
      border: 0; }
  .main-content .highlight {
    margin-bottom: 1rem; }
    .main-content .highlight pre {
      margin-bottom: 0;
      word-break: normal; }
  .main-content .highlight pre,
  .main-content pre {
    padding: 0.8rem;
    overflow: auto;
    font-size: 0.9rem;
    line-height: 1.45;
    border-radius: 0.3rem;
    -webkit-overflow-scrolling: touch; }
  .main-content pre code,
  .main-content pre tt {
    display: inline;
    max-width: initial;
    padding: 0;
    margin: 0;
    overflow: initial;
    line-height: inherit;
    word-wrap: normal;
    background-color: transparent;
    border: 0; }
    .main-content pre code:before, .main-content pre code:after,
    .main-content pre tt:before,
    .main-content pre tt:after {
      content: normal; }
  .main-content ul,
  .main-content ol {
    margin-top: 0; }
  .main-content blockquote {
    padding: 0 1rem;
    margin-left: 0;
    color: #819198;
    border-left: 0.3rem solid #dce6f0; }
    .main-content blockquote > :first-child {
      margin-top: 0; }
    .main-content blockquote > :last-child {
      margin-bottom: 0; }
  .main-content table {
    display: block;
    width: 100%;
    overflow: auto;
    word-break: normal;
    word-break: keep-all;
    -webkit-overflow-scrolling: touch; }
    .main-content table th {
      font-weight: bold; }
    .main-content table th,
    .main-content table td {
      padding: 0.5rem 1rem;
      border: 1px solid #e9ebec; }
  .main-content dl {
    padding: 0; }
    .main-content dl dt {
      padding: 0;
      margin-top: 1rem;
      font-size: 1rem;
      font-weight: bold; }
    .main-content dl dd {
      padding: 0;
      margin-bottom: 1rem; }
  .main-content hr {
    height: 2px;
    padding: 0;
    margin: 1rem 0;
    background-color: #eff0f1;
    border: 0; }

.site-footer {
  text-align: center;
  padding-top: 2rem;
  padding-bottom: 1rem;
  margin-top: 2rem;
  border-top: solid 1px #eff0f1; }
  @media screen and (min-width: 64em) {
    .site-footer {
      font-size: 1rem; } }
  @media screen and (min-width: 42em) and (max-width: 64em) {
    .site-footer {
      font-size: 1rem; } }
  @media screen and (max-width: 42em) {
    .site-footer {
      font-size: 0.9rem; } }

.site-footer-owner {
  display: block;
  font-weight: bold; }

.site-footer-credits {
  color: #819198; }