first commit

8 files changed, 856 insertions, 0 deletions

diff --git a/landing/assets/css/cayman.css b/landing/assets/css/cayman.css
new file mode 100644
index 00000000..b67d1e8f
--- /dev/null
+++ b/landing/assets/css/cayman.css
@@ -0,0 +1,320 @@
+* {
+  box-sizing: border-box; }
+
+body {
+  padding: 0;
+  margin: 0;
+  font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
+  font-size: 16px;
+  line-height: 1.5;
+  color: #606c71; }
+
+a {
+  color: #1e6bb8;
+  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, 0.8);
+    text-decoration: none;
+    background-color: rgba(255, 255, 255, 0.2);
+    border-color: rgba(255, 255, 255, 0.3); }
+  .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: #159957;
+  background-image: linear-gradient(120deg, #155799, #159957); }
+  @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: 0.7; }
+  @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: #159957; }
+  .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 {
+  padding-top: 2rem;
+  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;
+  text-align:center;
+  font-weight: bold; }
+
+.site-footer-power {
+  display: block;
+  font-size: 0.6rem;
+  text-align:center;}
+
+.site-footer-credits {
+  color: #819198; }
+
+.donate {
+  vertical-align: top;
+  height: 20px;
+  border: 1px solid #d4d4d4;
+  display: inline-block;
+  box-sizing: border-box;
+  line-height: 16px;
+  border-radius: 3px;
+  cursor: pointer;
+  background-image: linear-gradient(to bottom, #fcfcfc 0, #eee 100%);
+  position: relative;
+  width: 72px;
+}
+.donate:hover {
+  border-color: #ccc;
+  background-image: linear-gradient(to bottom, #eee 0, #ddd 100%);
+}
+.donate img {
+  width: 14px;
+  height: 14px;
+  position: absolute;
+  top: 2px;
+  left: 5px;
+}
+.donate a {
+  font: 700 11px/14px 'Helvetica Neue', Helvetica, Arial, sans-serif;
+  color: #333;
+  text-shadow: 0 1px 0 #fff;
+  position: absolute;
+  top: 2px;
+  left: 24px;
+}
+
+#nav,
+#translations {
+  list-style-type: none;
+  text-align: center;
+  padding: 0;
+  margin: 0;
+}
+#nav li,
+#translations li {
+  display: inline-block;
+  position: relative;
+  line-height: 40px;
+}
+#nav li:last-child .nav-link,
+#translations li:last-child .nav-link {
+  margin-right: 0;
+}
+#translations {
+  margin-bottom: 0em;
+}
+#translations .delimiter {
+  color: #7f8c8d;
+  margin: 0 5px;
+}
+#translations .nav-link {
+  margin: 0;
+}
+.nav-link {
+  color: #7f8c8d;
+  padding-bottom: 3px;
+  margin: 0 1.5em;
+}
+.nav-link:first-child {
+  margin-left: 0;
+}
+.nav-link:hover,
+.nav-link.current {
+  border-bottom: 3px solid #42b983;
+}
diff --git a/landing/assets/css/normalize.css b/landing/assets/css/normalize.css
new file mode 100644
index 00000000..30366a6e
--- /dev/null
+++ b/landing/assets/css/normalize.css
@@ -0,0 +1,424 @@
+/*! normalize.css v3.0.2 | MIT License | git.io/normalize */
+
+/**
+ * 1. Set default font family to sans-serif.
+ * 2. Prevent iOS text size adjust after orientation change, without disabling
+ *    user zoom.
+ */
+
+html {
+  font-family: sans-serif; /* 1 */
+  -ms-text-size-adjust: 100%; /* 2 */
+  -webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/**
+ * Remove default margin.
+ */
+
+body {
+  margin: 0;
+}
+
+/* HTML5 display definitions
+   ========================================================================== */
+
+/**
+ * Correct `block` display not defined for any HTML5 element in IE 8/9.
+ * Correct `block` display not defined for `details` or `summary` in IE 10/11
+ * and Firefox.
+ * Correct `block` display not defined for `main` in IE 11.
+ */
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+hgroup,
+main,
+menu,
+nav,
+section,
+summary {
+  display: block;
+}
+
+/**
+ * 1. Correct `inline-block` display not defined in IE 8/9.
+ * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
+ */
+
+audio,
+canvas,
+progress,
+video {
+  display: inline-block; /* 1 */
+  vertical-align: baseline; /* 2 */
+}
+
+/**
+ * Prevent modern browsers from displaying `audio` without controls.
+ * Remove excess height in iOS 5 devices.
+ */
+
+audio:not([controls]) {
+  display: none;
+  height: 0;
+}
+
+/**
+ * Address `[hidden]` styling not present in IE 8/9/10.
+ * Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
+ */
+
+[hidden],
+template {
+  display: none;
+}
+
+/* Links
+   ========================================================================== */
+
+/**
+ * Remove the gray background color from active links in IE 10.
+ */
+
+a {
+  background-color: transparent;
+}
+
+/**
+ * Improve readability when focused and also mouse hovered in all browsers.
+ */
+
+a:active,
+a:hover {
+  outline: 0;
+}
+
+/* Text-level semantics
+   ========================================================================== */
+
+/**
+ * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
+ */
+
+abbr[title] {
+  border-bottom: 1px dotted;
+}
+
+/**
+ * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
+ */
+
+b,
+strong {
+  font-weight: bold;
+}
+
+/**
+ * Address styling not present in Safari and Chrome.
+ */
+
+dfn {
+  font-style: italic;
+}
+
+/**
+ * Address variable `h1` font-size and margin within `section` and `article`
+ * contexts in Firefox 4+, Safari, and Chrome.
+ */
+
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+
+/**
+ * Address styling not present in IE 8/9.
+ */
+
+mark {
+  background: #ff0;
+  color: #000;
+}
+
+/**
+ * Address inconsistent and variable font size in all browsers.
+ */
+
+small {
+  font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` affecting `line-height` in all browsers.
+ */
+
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sup {
+  top: -0.5em;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+/* Embedded content
+   ========================================================================== */
+
+/**
+ * Remove border when inside `a` element in IE 8/9/10.
+ */
+
+img {
+  border: 0;
+}
+
+/**
+ * Correct overflow not hidden in IE 9/10/11.
+ */
+
+svg:not(:root) {
+  overflow: hidden;
+}
+
+/* Grouping content
+   ========================================================================== */
+
+/**
+ * Address margin not present in IE 8/9 and Safari.
+ */
+
+figure {
+  margin: 1em 40px;
+}
+
+/**
+ * Address differences between Firefox and other browsers.
+ */
+
+hr {
+  box-sizing: content-box;
+  height: 0;
+}
+
+/**
+ * Contain overflow in all browsers.
+ */
+
+pre {
+  overflow: auto;
+}
+
+/**
+ * Address odd `em`-unit font size rendering in all browsers.
+ */
+
+code,
+kbd,
+pre,
+samp {
+  font-family: monospace, monospace;
+  font-size: 1em;
+}
+
+/* Forms
+   ========================================================================== */
+
+/**
+ * Known limitation: by default, Chrome and Safari on OS X allow very limited
+ * styling of `select`, unless a `border` property is set.
+ */
+
+/**
+ * 1. Correct color not being inherited.
+ *    Known issue: affects color of disabled elements.
+ * 2. Correct font properties not being inherited.
+ * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
+ */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+  color: inherit; /* 1 */
+  font: inherit; /* 2 */
+  margin: 0; /* 3 */
+}
+
+/**
+ * Address `overflow` set to `hidden` in IE 8/9/10/11.
+ */
+
+button {
+  overflow: visible;
+}
+
+/**
+ * Address inconsistent `text-transform` inheritance for `button` and `select`.
+ * All other form control elements do not inherit `text-transform` values.
+ * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
+ * Correct `select` style inheritance in Firefox.
+ */
+
+button,
+select {
+  text-transform: none;
+}
+
+/**
+ * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
+ *    and `video` controls.
+ * 2. Correct inability to style clickable `input` types in iOS.
+ * 3. Improve usability and consistency of cursor style between image-type
+ *    `input` and others.
+ */
+
+button,
+html input[type="button"], /* 1 */
+input[type="reset"],
+input[type="submit"] {
+  -webkit-appearance: button; /* 2 */
+  cursor: pointer; /* 3 */
+}
+
+/**
+ * Re-set default cursor for disabled elements.
+ */
+
+button[disabled],
+html input[disabled] {
+  cursor: default;
+}
+
+/**
+ * Remove inner padding and border in Firefox 4+.
+ */
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+  border: 0;
+  padding: 0;
+}
+
+/**
+ * Address Firefox 4+ setting `line-height` on `input` using `!important` in
+ * the UA stylesheet.
+ */
+
+input {
+  line-height: normal;
+}
+
+/**
+ * It's recommended that you don't attempt to style these elements.
+ * Firefox's implementation doesn't respect box-sizing, padding, or width.
+ *
+ * 1. Address box sizing set to `content-box` in IE 8/9/10.
+ * 2. Remove excess padding in IE 8/9/10.
+ */
+
+input[type="checkbox"],
+input[type="radio"] {
+  box-sizing: border-box; /* 1 */
+  padding: 0; /* 2 */
+}
+
+/**
+ * Fix the cursor style for Chrome's increment/decrement buttons. For certain
+ * `font-size` values of the `input`, it causes the cursor style of the
+ * decrement button to change from `default` to `text`.
+ */
+
+input[type="number"]::-webkit-inner-spin-button,
+input[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/**
+ * 1. Address `appearance` set to `searchfield` in Safari and Chrome.
+ * 2. Address `box-sizing` set to `border-box` in Safari and Chrome
+ *    (include `-moz` to future-proof).
+ */
+
+input[type="search"] {
+  -webkit-appearance: textfield; /* 1 */ /* 2 */
+  box-sizing: content-box;
+}
+
+/**
+ * Remove inner padding and search cancel button in Safari and Chrome on OS X.
+ * Safari (but not Chrome) clips the cancel button when the search input has
+ * padding (and `textfield` appearance).
+ */
+
+input[type="search"]::-webkit-search-cancel-button,
+input[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/**
+ * Define consistent border, margin, and padding.
+ */
+
+fieldset {
+  border: 1px solid #c0c0c0;
+  margin: 0 2px;
+  padding: 0.35em 0.625em 0.75em;
+}
+
+/**
+ * 1. Correct `color` not being inherited in IE 8/9/10/11.
+ * 2. Remove padding so people aren't caught out if they zero out fieldsets.
+ */
+
+legend {
+  border: 0; /* 1 */
+  padding: 0; /* 2 */
+}
+
+/**
+ * Remove default vertical scrollbar in IE 8/9/10/11.
+ */
+
+textarea {
+  overflow: auto;
+}
+
+/**
+ * Don't inherit the `font-weight` (applied by a rule above).
+ * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
+ */
+
+optgroup {
+  font-weight: bold;
+}
+
+/* Tables
+   ========================================================================== */
+
+/**
+ * Remove most spacing between table cells.
+ */
+
+table {
+  border-collapse: collapse;
+  border-spacing: 0;
+}
+
+td,
+th {
+  padding: 0;
+}
diff --git a/landing/assets/css/opensans.css b/landing/assets/css/opensans.css
new file mode 100644
index 00000000..ebac7ce8
--- /dev/null
+++ b/landing/assets/css/opensans.css
@@ -0,0 +1,112 @@
+/* cyrillic-ext */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(https://fonts.gstatic.com/s/opensans/v13/K88pR3goAWT7BTt32Z01m4X0hVgzZQUfRDuZrPvH3D8.woff2) format('woff2');
+  unicode-range: U+0460-052F, U+20B4, U+2DE0-2DFF, U+A640-A69F;
+}
+/* cyrillic */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(https://fonts.gstatic.com/s/opensans/v13/RjgO7rYTmqiVp7vzi-Q5UYX0hVgzZQUfRDuZrPvH3D8.woff2) format('woff2');
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+/* greek-ext */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(https://fonts.gstatic.com/s/opensans/v13/LWCjsQkB6EMdfHrEVqA1KYX0hVgzZQUfRDuZrPvH3D8.woff2) format('woff2');
+  unicode-range: U+1F00-1FFF;
+}
+/* greek */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(https://fonts.gstatic.com/s/opensans/v13/xozscpT2726on7jbcb_pAoX0hVgzZQUfRDuZrPvH3D8.woff2) format('woff2');
+  unicode-range: U+0370-03FF;
+}
+/* vietnamese */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(https://fonts.gstatic.com/s/opensans/v13/59ZRklaO5bWGqF5A9baEEYX0hVgzZQUfRDuZrPvH3D8.woff2) format('woff2');
+  unicode-range: U+0102-0103, U+1EA0-1EF9, U+20AB;
+}
+/* latin-ext */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(https://fonts.gstatic.com/s/opensans/v13/u-WUoqrET9fUeobQW7jkRYX0hVgzZQUfRDuZrPvH3D8.woff2) format('woff2');
+  unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
+}
+/* latin */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Open Sans'), local('OpenSans'), url(https://fonts.gstatic.com/s/opensans/v13/cJZKeOuBrn4kERxqtaUH3ZBw1xU1rKptJj_0jans920.woff2) format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215;
+}
+/* cyrillic-ext */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(https://fonts.gstatic.com/s/opensans/v13/k3k702ZOKiLJc3WVjuplzA7aC6SjiAOpAWOKfJDfVRY.woff2) format('woff2');
+  unicode-range: U+0460-052F, U+20B4, U+2DE0-2DFF, U+A640-A69F;
+}
+/* cyrillic */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(https://fonts.gstatic.com/s/opensans/v13/k3k702ZOKiLJc3WVjuplzBdwxCXfZpKo5kWAx_74bHs.woff2) format('woff2');
+  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+/* greek-ext */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(https://fonts.gstatic.com/s/opensans/v13/k3k702ZOKiLJc3WVjuplzJ6vnaPZw6nYDxM4SVEMFKg.woff2) format('woff2');
+  unicode-range: U+1F00-1FFF;
+}
+/* greek */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(https://fonts.gstatic.com/s/opensans/v13/k3k702ZOKiLJc3WVjuplzPy1_HTwRwgtl1cPga3Fy3Y.woff2) format('woff2');
+  unicode-range: U+0370-03FF;
+}
+/* vietnamese */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(https://fonts.gstatic.com/s/opensans/v13/k3k702ZOKiLJc3WVjuplzPgrLsWo7Jk1KvZser0olKY.woff2) format('woff2');
+  unicode-range: U+0102-0103, U+1EA0-1EF9, U+20AB;
+}
+/* latin-ext */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(https://fonts.gstatic.com/s/opensans/v13/k3k702ZOKiLJc3WVjuplzIjoYw3YTyktCCer_ilOlhE.woff2) format('woff2');
+  unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
+}
+/* latin */
+@font-face {
+  font-family: 'Open Sans';
+  font-style: normal;
+  font-weight: 700;
+  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(https://fonts.gstatic.com/s/opensans/v13/k3k702ZOKiLJc3WVjuplzBampu5_7CjHW5spxoeN3Vs.woff2) format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215;
+}
diff --git a/landing/assets/img/alipay.png b/landing/assets/img/alipay.png
new file mode 100644
index 00000000..bc1088d0
--- /dev/null
+++ b/landing/assets/img/alipay.png
diff --git a/landing/assets/img/donate.gif b/landing/assets/img/donate.gif
new file mode 100644
index 00000000..d6df5107
--- /dev/null
+++ b/landing/assets/img/donate.gif
diff --git a/landing/assets/img/patreon.png b/landing/assets/img/patreon.png
new file mode 100644
index 00000000..aa0e4aee
--- /dev/null
+++ b/landing/assets/img/patreon.png
diff --git a/landing/assets/img/paypal.png b/landing/assets/img/paypal.png
new file mode 100644
index 00000000..780c84f6
--- /dev/null
+++ b/landing/assets/img/paypal.png
diff --git a/landing/assets/img/weixin.png b/landing/assets/img/weixin.png
new file mode 100644
index 00000000..1b1880b9
--- /dev/null
+++ b/landing/assets/img/weixin.png