diff --git a/style.css b/style.css
index 0a9655f..aa84ebc 100644
--- a/style.css
+++ b/style.css
@@ -1,166 +1,3 @@
-h1,
-h2,
-h3,
-h4,
-h5,
-h6,
-p,
-blockquote {
-    margin: 0;
-    padding: 0;
-}
-
-body {
-    font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", Arial, sans-serif;
-    font-size: 18px;
-    line-height: 1.4;
-    color: #000000;
-    margin: 10px 13px 10px 13px;
-}
-
-a {
-    color: #0069d6;
-}
-
-a:hover {
-    color: #0050a3;
-    text-decoration: none;
-}
-
-a img {
-    border: none;
-}
-
-p {
-    text-indent: 2em;
-    margin-bottom: 12px;
-}
-
-h1,
-h2,
-h3,
-h4,
-h5,
-h6 {
-    color: #404040;
-    line-height: 36px;
-}
-
-h1 {
-    margin-bottom: 32px;
-    margin-top: 32px;
-    font-size: 30px;
-    color: #0050a3;
-}
-
-h1 a {
-    margin-top: 100px;
-    display: block;
-}
-
-h2 {
-    font-size: 24px;
-    margin-bottom: 28px;
-}
-
-h3 {
-    font-size: 18px;
-    margin-bottom: 24px;
-}
-
-h4 {
-    font-size: 16px;
-}
-
-h5 {
-    font-size: 14px;
-}
-
-h6 {
-    font-size: 13px;
-}
-
-hr {
-    margin: 0 0 19px;
-    border: 0;
-    border-bottom: 1px solid #ccc;
-}
-
-blockquote {
-    padding: 2px 13px 21px 2px;
-    margin-bottom: 12px;
-    font-family: georgia,serif;
-    font-style: italic;
-}
-
-blockquote:before {
-    content: "\201C";
-    font-size: 40px;
-    margin-left: -10px;
-    font-family: georgia,serif;
-    color: #eee;
-}
-
-blockquote p {
-    font-size: 14px;
-    font-weight: 300;
-    line-height: 18px;
-    margin-bottom: 0;
-    font-style: italic;
-}
-
-code, pre {
-    font-family: Monaco, Andale Mono, Courier New, monospace;
-}
-
-code {
-    background-color: #fee9cc;
-    color: rgba(0, 0, 0, 0.75);
-    padding: 1px 3px;
-    font-size: 12px;
-    -webkit-border-radius: 3px;
-    -moz-border-radius: 3px;
-    border-radius: 3px;
-}
-
-pre {
-    display: block;
-    padding: 14px;
-    margin: 0 0 18px;
-    line-height: 16px;
-    font-size: 11px;
-    border: 1px solid #d9d9d9;
-    white-space: pre-line;
-    word-wrap: break-word;
-}
-
-pre code {
-    background-color: #fff;
-    color: #737373;
-    font-size: 11px;
-    padding: 0;
-    white-space: pre-wrap;
-}
-
-
-figure img {
-    display: block;
-    margin: 0 auto;
-    max-width: 100%;
-}
-
-figcaption {
-    text-align: center;
-}
-
-ul li a {
-    font-weight: bold;
-}
-
-ul li ul a {
-    font-weight: normal;
-}
-
 @media screen and (min-width: 768px) {
     body {
         width: 748px;
@@ -169,383 +6,690 @@ ul li ul a {
 }
 
 
-table {
-    margin: 10px auto;
+/*!
+ * Mifa v0.2.0
+ * https://github.com/phodal/mifa#readme
+ *
+ * Copyright (c) 2018 Phodal Huang
+ * Licensed under the MIT license
+ */
+
+.color-primary {
+  color: #384452;
+  background-color: #384452;
 }
 
-thead {
-    font-size: 120%;
-    font-weight: 1000;
-    cursor: pointer;
-    background: #c9dff0
+.color-grey {
+  color: #d1d8df;
+  background-color: #d1d8df;
 }
 
-thead tr th {
-    text-align: center;
-    font-weight: bold;
-    padding: 12px 30px;
-    padding-left: 42px
+.color-green {
+  color: #1abc9c;
+  background-color: #1abc9c;
 }
 
-thead tr th span {
-    padding-right: 20px;
-    background-repeat: no-repeat;
-    background-position: 100% 100%
+.color-dark-grey {
+  color: #5e6772;
+  background-color: #5e6772;
 }
 
-tbody tr td {
-    padding: 15px 10px
+.color-blue {
+  color: #23B7F3;
+  background-color: #23B7F3;
 }
 
-tbody tr td.lalign {
-    text-align: left
+.color-code-grey {
+  color: #eef1f5;
+  background-color: #eef1f5;
 }
 
-tbody tr:nth-child(even) {
-    background: #fff
+.color-red {
+  color: #f53d3d;
+  background-color: #f53d3d;
 }
 
-tbody tr:nth-child(odd) {
-    background: #eee
+.color-yellow {
+  color: #ffff3a;
+  background-color: #ffff3a;
 }
 
-td,th {
-    border-left: 1px solid #cbcbcb;
-    border-width: 0 0 0 1px;
-    font-size: inherit;
-    margin: 0;
-    overflow: visible;
-    padding: .5em 1em
+.color-light-grey {
+  color: #fdfdfd;
+  background-color: #fdfdfd;
 }
 
+*,
+*:after,
+*:before {
+  box-sizing: inherit;
+}
 
-
-/* 如果你的项目仅支持 IE9+ | Chrome | Firefox 等，推荐在 <html> 中添加 .borderbox 这个 class */
-html.borderbox *, html.borderbox *:before, html.borderbox *:after {
-  -moz-box-sizing: border-box;
-  -webkit-box-sizing: border-box;
+html {
   box-sizing: border-box;
+  font-size: 62.5%;
 }
 
-/* 重设 HTML5 标签, IE 需要在 js 中 createElement(TAG) */
-article, aside, details, figcaption, figure, footer, header, menu, nav, section {
-  display: block;
+body {
+  color: #384452;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimSun, sans-serif;
+  font-size: 1.6em;
+  font-weight: 300;
+  letter-spacing: .01em;
+  line-height: 1.6;
 }
 
-/* HTML5 媒体文件跟 img 保持一致 */
-audio, canvas, video {
-  display: inline-block;
-}
-
-/* 要注意表单元素并不继承父级 font 的问题 */
-body, button, input, select, textarea {
-  font: 300 1em/1.8 PingFang SC, Lantinghei SC, Microsoft Yahei, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, sans-serif;
-}
-
-button::-moz-focus-inner,
-input::-moz-focus-inner {
-  padding: 0;
-  border: 0;
-}
-
-/* 去掉各Table cell 的边距并让其边重合 */
-table {
-  border-collapse: collapse;
-  border-spacing: 0;
-}
-
-/* 去除默认边框 */
-fieldset, img {
-  border: 0;
-}
-
-/* 块/段落引用 */
 blockquote {
-  position: relative;
-  color: #999;
-  font-weight: 400;
-  border-left: 1px solid #1abc9c;
-  padding-left: 1em;
-  margin: 1em 3em 1em 2em;
+  border-left: 0.3rem solid #1abc9c;
+  margin-left: 0;
+  margin-right: 0;
+  padding: 1rem 1.5rem;
 }
 
-@media only screen and ( max-width: 640px ) {
-  blockquote {
-    margin: 1em 0;
-  }
+blockquote *:last-child {
+  margin-bottom: 0;
 }
 
-/* Firefox 以外，元素没有下划线，需添加 */
-acronym, abbr {
-  border-bottom: 1px dotted;
-  font-variant: normal;
+q:before {
+  color: #1abc9c;
+  content: open-quote;
+  font-size: 4em;
+  line-height: 0.1em;
+  margin-right: 0.25em;
+  vertical-align: -0.4em;
 }
 
-/* 添加鼠标问号，进一步确保应用的语义是正确的（要知道，交互他们也有洁癖，如果你不去掉，那得多花点口舌） */
-abbr {
-  cursor: help;
+q:after {
+  content: none;
 }
 
-/* 一致的 del 样式 */
-del {
-  text-decoration: line-through;
+.button,
+button,
+input[type='button'],
+input[type='reset'],
+input[type='submit'] {
+  background-color: #384452;
+  border: 0.1rem solid #384452;
+  border-radius: .4rem;
+  color: #fff;
+  cursor: pointer;
+  display: inline-block;
+  font-size: 1.1rem;
+  font-weight: 700;
+  height: 3.8rem;
+  letter-spacing: .1rem;
+  line-height: 3.8rem;
+  padding: 0 3.0rem;
+  text-align: center;
+  text-decoration: none;
+  text-transform: uppercase;
+  white-space: nowrap;
 }
 
-address, caption, cite, code, dfn, em, th, var {
-  font-style: normal;
-  font-weight: 400;
+.button:focus, .button:hover,
+button:focus,
+button:hover,
+input[type='button']:focus,
+input[type='button']:hover,
+input[type='reset']:focus,
+input[type='reset']:hover,
+input[type='submit']:focus,
+input[type='submit']:hover {
+  background-color: #1abc9c;
+  border-color: #1abc9c;
+  color: #fff;
+  outline: 0;
 }
 
-/* 去掉列表前的标识, li 会继承，大部分网站通常用列表来很多内容，所以应该当去 */
-ul, ol {
-  list-style: none;
+.button[disabled],
+button[disabled],
+input[type='button'][disabled],
+input[type='reset'][disabled],
+input[type='submit'][disabled] {
+  cursor: default;
+  opacity: .5;
 }
 
-/* 对齐是排版最重要的因素, 别让什么都居中 */
-caption, th {
-  text-align: left;
+.button[disabled]:focus, .button[disabled]:hover,
+button[disabled]:focus,
+button[disabled]:hover,
+input[type='button'][disabled]:focus,
+input[type='button'][disabled]:hover,
+input[type='reset'][disabled]:focus,
+input[type='reset'][disabled]:hover,
+input[type='submit'][disabled]:focus,
+input[type='submit'][disabled]:hover {
+  background-color: #384452;
+  border-color: #384452;
 }
 
-q:before, q:after {
-  content: '';
+.button.button-outline,
+button.button-outline,
+input[type='button'].button-outline,
+input[type='reset'].button-outline,
+input[type='submit'].button-outline {
+  background-color: transparent;
+  color: #384452;
 }
 
-/* 统一上标和下标 */
-sub, sup {
-  font-size: 75%;
-  line-height: 0;
-  position: relative;
-}
-
-:root sub, :root sup {
-  vertical-align: baseline; /* for ie9 and other modern browsers */
-}
-
-sup {
-  top: -0.5em;
-}
-
-sub {
-  bottom: -0.25em;
-}
-
-/* 让链接在 hover 状态下显示下划线 */
-a {
+.button.button-outline:focus, .button.button-outline:hover,
+button.button-outline:focus,
+button.button-outline:hover,
+input[type='button'].button-outline:focus,
+input[type='button'].button-outline:hover,
+input[type='reset'].button-outline:focus,
+input[type='reset'].button-outline:hover,
+input[type='submit'].button-outline:focus,
+input[type='submit'].button-outline:hover {
+  background-color: transparent;
+  border-color: #1abc9c;
   color: #1abc9c;
 }
 
-a:hover {
-  text-decoration: underline;
+.button.button-outline[disabled]:focus, .button.button-outline[disabled]:hover,
+button.button-outline[disabled]:focus,
+button.button-outline[disabled]:hover,
+input[type='button'].button-outline[disabled]:focus,
+input[type='button'].button-outline[disabled]:hover,
+input[type='reset'].button-outline[disabled]:focus,
+input[type='reset'].button-outline[disabled]:hover,
+input[type='submit'].button-outline[disabled]:focus,
+input[type='submit'].button-outline[disabled]:hover {
+  border-color: inherit;
+  color: #384452;
 }
 
-a {
-  border-bottom: 1px solid #1abc9c;
+.button.button-clear,
+button.button-clear,
+input[type='button'].button-clear,
+input[type='reset'].button-clear,
+input[type='submit'].button-clear {
+  background-color: transparent;
+  border-color: transparent;
+  color: #384452;
 }
 
-a:hover {
-  border-bottom-color: #555;
-  color: #555;
-  text-decoration: none;
+.button.button-clear:focus, .button.button-clear:hover,
+button.button-clear:focus,
+button.button-clear:hover,
+input[type='button'].button-clear:focus,
+input[type='button'].button-clear:hover,
+input[type='reset'].button-clear:focus,
+input[type='reset'].button-clear:hover,
+input[type='submit'].button-clear:focus,
+input[type='submit'].button-clear:hover {
+  background-color: transparent;
+  border-color: transparent;
+  color: #1abc9c;
 }
 
-/* 默认不显示下划线，保持页面简洁 */
-ins, a {
-  text-decoration: none;
+.button.button-clear[disabled]:focus, .button.button-clear[disabled]:hover,
+button.button-clear[disabled]:focus,
+button.button-clear[disabled]:hover,
+input[type='button'].button-clear[disabled]:focus,
+input[type='button'].button-clear[disabled]:hover,
+input[type='reset'].button-clear[disabled]:focus,
+input[type='reset'].button-clear[disabled]:hover,
+input[type='submit'].button-clear[disabled]:focus,
+input[type='submit'].button-clear[disabled]:hover {
+  color: #384452;
 }
 
-/* 专名号：虽然 u 已经重回 html5 Draft，但在所有浏览器中都是可以使用的，
- * 要做到更好，向后兼容的话，添加 class="typo-u" 来显示专名号
- * 关于 <u> 标签：http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-u-element
- * 被放弃的是 4，之前一直搞错 http://www.w3.org/TR/html401/appendix/changes.html#idx-deprecated
- * 一篇关于 <u> 标签的很好文章：http://html5doctor.com/u-element/
- */
-u, .typo-u {
-  text-decoration: underline;
-}
-
-/* 标记，类似于手写的荧光笔的作用 */
-mark {
-  background: #fffdd1;
-  border-bottom: 1px solid #ffedce;
-  padding: 2px;
-  margin: 0 5px;
-}
-
-/* 代码片断 */
-pre, code, pre tt {
-  font-family: Courier, 'Courier New', monospace;
+code {
+  background: #eef1f5;
+  border-radius: .4rem;
+  font-size: 86%;
+  margin: 0 .2rem;
+  padding: .2rem .5rem;
+  white-space: nowrap;
 }
 
 pre {
-  background: #f8f8f8;
-  border: 1px solid #ddd;
-  padding: 1em 1.5em;
-  display: block;
-  -webkit-overflow-scrolling: touch;
+  background: #eef1f5;
+  border-left: 0.3rem solid #1abc9c;
+  overflow-y: hidden;
 }
 
-/* 一致化 horizontal rule */
-hr {
-  border: none;
-  border-bottom: 1px solid #cfcfcf;
-  margin-bottom: 0.8em;
-  height: 10px;
-}
-
-/* 底部印刷体、版本等标记 */
-small, .typo-small,
-  /* 图片说明 */
-figcaption {
-  font-size: 0.9em;
-  color: #888;
-}
-
-strong, b {
-  font-weight: bold;
-  color: #000;
-}
-
-/* 可拖动文件添加拖动手势 */
-[draggable] {
-  cursor: move;
-}
-
-.clearfix:before, .clearfix:after {
-  content: "";
-  display: table;
-}
-
-.clearfix:after {
-  clear: both;
-}
-
-.clearfix {
-  zoom: 1;
-}
-
-/* 强制文本换行 */
-.textwrap, .textwrap td, .textwrap th {
-  word-wrap: break-word;
-  word-break: break-all;
-}
-
-.textwrap-table {
-  table-layout: fixed;
-}
-
-/* 提供 serif 版本的字体设置: iOS 下中文自动 fallback 到 sans-serif */
-.serif {
-  font-family: Palatino, Optima, Georgia, serif;
-}
-
-/* 保证块/段落之间的空白隔行 */
-p, pre, ul, ol, dl, form, hr, table,
-.typo-p, .typo-pre, .typo-ul, .typo-ol, .typo-dl, .typo-form, .typo-hr, .typo-table, blockquote {
-  margin-bottom: 1.2em
-}
-
-h1, h2, h3, h4, h5, h6 {
-  font-family: PingFang SC, Verdana, Helvetica Neue, Microsoft Yahei, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, sans-serif;
-  font-weight: 100;
-  color: #000;
-  line-height: 1.35;
-}
-
-/* 标题应该更贴紧内容，并与其他块区分，margin 值要相应做优化 */
-h1, h2, h3, h4, h5, h6,
-.typo-h1, .typo-h2, .typo-h3, .typo-h4, .typo-h5, .typo-h6 {
-  margin-top: 1.2em;
-  margin-bottom: 0.6em;
-  line-height: 1.35;
-}
-
-h1, .typo-h1 {
-  font-size: 2em;
-}
-
-h2, .typo-h2 {
-  font-size: 1.8em;
-}
-
-h3, .typo-h3 {
-  font-size: 1.6em;
-}
-
-h4, .typo-h4 {
-  font-size: 1.4em;
-}
-
-h5, h6, .typo-h5, .typo-h6 {
-  font-size: 1.2em;
-}
-
-/* 在文章中，应该还原 ul 和 ol 的样式 */
-ul, .typo-ul {
-  margin-left: 1.3em;
-  list-style: disc;
-}
-
-ol, .typo-ol {
-  list-style: decimal;
-  margin-left: 1.9em;
-}
-
-li ul, li ol, .typo-ul ul, .typo-ul ol, .typo-ol ul, .typo-ol ol {
-  margin-bottom: 0.8em;
-  margin-left: 2em;
-}
-
-li ul, .typo-ul ul, .typo-ol ul {
-  list-style: circle;
-}
-
-/* 同 ul/ol，在文章中应用 table 基本格式 */
-table th, table td, .typo-table th, .typo-table td, table caption {
-  border: 1px solid #ddd;
-  padding: 0.5em 1em;
-  color: #666;
-}
-
-table th, .typo-table th {
-  background: #fbfbfb;
-}
-
-table thead th, .typo-table thead th {
-  background: #f1f1f1;
-}
-
-table caption {
-  border-bottom: none;
-}
-
-/* 去除 webkit 中 input 和 textarea 的默认样式  */
-.typo-input, .typo-textarea {
-  -webkit-appearance: none;
+pre > code {
   border-radius: 0;
+  display: block;
+  padding: 1rem 1.5rem;
+  white-space: pre;
 }
 
-.typo-em, em, legend, caption {
-  color: #000;
-  font-weight: inherit;
+hr {
+  border: 0;
+  border-top: 0.1rem solid #384452;
+  margin: 3.0rem 0;
 }
 
-/* 着重号，只能在少量（少于100个字符）且全是全角字符的情况下使用 */
-.typo-em {
-  position: relative;
-}
-
-.typo-em:after {
-  position: absolute;
-  top: 0.65em;
-  left: 0;
+input[type='email'],
+input[type='number'],
+input[type='password'],
+input[type='search'],
+input[type='tel'],
+input[type='text'],
+input[type='url'],
+input:not([type]),
+textarea,
+select {
+  -webkit-appearance: none;
+     -moz-appearance: none;
+          appearance: none;
+  background-color: transparent;
+  border: 0.1rem solid #d1d8df;
+  border-radius: .4rem;
+  box-shadow: none;
+  box-sizing: inherit;
+  height: 3.8rem;
+  padding: .6rem 1.0rem;
   width: 100%;
-  overflow: hidden;
-  white-space: nowrap;
-  content: "・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・";
 }
 
-/* Responsive images */
+input[type='email']:focus,
+input[type='number']:focus,
+input[type='password']:focus,
+input[type='search']:focus,
+input[type='tel']:focus,
+input[type='text']:focus,
+input[type='url']:focus,
+input:not([type]):focus,
+textarea:focus,
+select:focus {
+  border-color: #1abc9c;
+  outline: 0;
+}
+
+select {
+  background: url('data:image/svg+xml;utf8,<svg width="28" height="15" viewBox="0 0 28 15" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><polygon fill="%235e6772" id="Shape" points="14.3216327 0 7.99510204 5.87878267 1.67836735 0.00773727648 0 1.56757221 7.99510204 9 16 1.55983494"></polygon></svg>') center right no-repeat;
+  padding-right: 3.0rem;
+}
+
+select:focus {
+  background-image: url('data:image/svg+xml;utf8,<svg width="28" height="15" viewBox="0 0 28 15" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><polygon fill="%231abc9c" id="Shape" points="14.3216327 0 7.99510204 5.87878267 1.67836735 0.00773727648 0 1.56757221 7.99510204 9 16 1.55983494"></polygon></svg>');
+}
+
+textarea {
+  min-height: 6.5rem;
+}
+
+label,
+legend {
+  display: block;
+  font-size: 1.6rem;
+  font-weight: 700;
+  margin-bottom: .5rem;
+}
+
+fieldset {
+  border-width: 0;
+  padding: 0;
+}
+
+input[type='checkbox'],
+input[type='radio'] {
+  display: inline;
+}
+
+.label-inline {
+  display: inline-block;
+  font-weight: normal;
+  margin-left: .5rem;
+}
+
+.container {
+  margin: 0 auto;
+  max-width: 112.0rem;
+  padding: 0 2.0rem;
+  position: relative;
+  width: 100%;
+}
+
+.row {
+  display: flex;
+  flex-direction: column;
+  padding: 0;
+  width: 100%;
+}
+
+.row.row-no-padding {
+  padding: 0;
+}
+
+.row.row-no-padding > .column {
+  padding: 0;
+}
+
+.row.row-wrap {
+  flex-wrap: wrap;
+}
+
+.row.row-top {
+  align-items: flex-start;
+}
+
+.row.row-bottom {
+  align-items: flex-end;
+}
+
+.row.row-center {
+  align-items: center;
+}
+
+.row.row-stretch {
+  align-items: stretch;
+}
+
+.row.row-baseline {
+  align-items: baseline;
+}
+
+.row .column {
+  display: block;
+  flex: 1 1 auto;
+  margin-left: 0;
+  max-width: 100%;
+  width: 100%;
+}
+
+.row .column.column-offset-10 {
+  margin-left: 10%;
+}
+
+.row .column.column-offset-20 {
+  margin-left: 20%;
+}
+
+.row .column.column-offset-25 {
+  margin-left: 25%;
+}
+
+.row .column.column-offset-33, .row .column.column-offset-34 {
+  margin-left: 33.3333%;
+}
+
+.row .column.column-offset-50 {
+  margin-left: 50%;
+}
+
+.row .column.column-offset-66, .row .column.column-offset-67 {
+  margin-left: 66.6666%;
+}
+
+.row .column.column-offset-75 {
+  margin-left: 75%;
+}
+
+.row .column.column-offset-80 {
+  margin-left: 80%;
+}
+
+.row .column.column-offset-90 {
+  margin-left: 90%;
+}
+
+.row .column.column-10 {
+  flex: 0 0 10%;
+  max-width: 10%;
+}
+
+.row .column.column-20 {
+  flex: 0 0 20%;
+  max-width: 20%;
+}
+
+.row .column.column-25 {
+  flex: 0 0 25%;
+  max-width: 25%;
+}
+
+.row .column.column-33, .row .column.column-34 {
+  flex: 0 0 33.3333%;
+  max-width: 33.3333%;
+}
+
+.row .column.column-40 {
+  flex: 0 0 40%;
+  max-width: 40%;
+}
+
+.row .column.column-50 {
+  flex: 0 0 50%;
+  max-width: 50%;
+}
+
+.row .column.column-60 {
+  flex: 0 0 60%;
+  max-width: 60%;
+}
+
+.row .column.column-66, .row .column.column-67 {
+  flex: 0 0 66.6666%;
+  max-width: 66.6666%;
+}
+
+.row .column.column-75 {
+  flex: 0 0 75%;
+  max-width: 75%;
+}
+
+.row .column.column-80 {
+  flex: 0 0 80%;
+  max-width: 80%;
+}
+
+.row .column.column-90 {
+  flex: 0 0 90%;
+  max-width: 90%;
+}
+
+.row .column .column-top {
+  align-self: flex-start;
+}
+
+.row .column .column-bottom {
+  align-self: flex-end;
+}
+
+.row .column .column-center {
+  -ms-grid-row-align: center;
+      align-self: center;
+}
+
+@media (min-width: 40rem) {
+  .row {
+    flex-direction: row;
+    margin-left: -1.0rem;
+    width: calc(100% + 2.0rem);
+  }
+  .row .column {
+    margin-bottom: inherit;
+    padding: 0 1.0rem;
+  }
+}
+
 img {
   max-width: 100%;
 }
 
+a {
+  color: #1abc9c;
+  text-decoration: none;
+}
+
+a:focus, a:hover {
+  color: #23B7F3;
+}
+
+dl,
+ol,
+ul {
+  list-style: none;
+  margin-top: 0;
+  padding-left: 0;
+}
+
+dl dl,
+dl ol,
+dl ul,
+ol dl,
+ol ol,
+ol ul,
+ul dl,
+ul ol,
+ul ul {
+  font-size: 90%;
+  margin: 1.5rem 0 1.5rem 3.0rem;
+}
+
+ol {
+  list-style: decimal inside;
+}
+
+ul {
+  list-style: circle inside;
+}
+
+.button,
+button,
+dd,
+dt,
+li {
+  margin-bottom: 1.0rem;
+}
+
+fieldset,
+input,
+select,
+textarea {
+  margin-bottom: 1.5rem;
+}
+
+blockquote,
+dl,
+figure,
+form,
+ol,
+p,
+pre,
+table,
+ul {
+  margin-bottom: 2.5rem;
+}
+
+table {
+  border-spacing: 0;
+  width: 100%;
+}
+
+table thead th,
+thead th {
+  border-top: 0.1rem solid #d1d8df;
+  background: #fdfdfd;
+}
+
+tbody tr:nth-child(even) {
+  background: #fdfdfd;
+}
+
+tbody tr:nth-child(odd) {
+  background: #eef1f5;
+}
+
+td,
+th {
+  border-bottom: 0.1rem solid #d1d8df;
+  padding: 1.2rem 1.5rem;
+  text-align: left;
+}
+
+td:first-child,
+th:first-child {
+  padding-left: 0;
+}
+
+td:last-child,
+th:last-child {
+  padding-right: 0;
+}
+
+u {
+  text-decoration: none;
+  border-bottom: 1px dashed;
+}
+
+a {
+  text-decoration: none;
+}
+
+u {
+  background: #ffff3a;
+}
+
+b,
+strong {
+  font-weight: bold;
+}
+
+p {
+  margin-top: 0;
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  font-weight: 300;
+  letter-spacing: -.1rem;
+  margin-bottom: 2.0rem;
+  margin-top: 0;
+}
+
+h1 {
+  font-size: 4.0rem;
+  line-height: 1.2;
+}
+
+h2 {
+  font-size: 3.2rem;
+  line-height: 1.25;
+}
+
+h3 {
+  font-size: 2.8rem;
+  line-height: 1.3;
+}
+
+h4 {
+  font-size: 2.4rem;
+  letter-spacing: -.08rem;
+  line-height: 1.35;
+}
+
+h5 {
+  font-size: 2.0rem;
+  letter-spacing: -.05rem;
+  line-height: 1.5;
+}
+
+h6 {
+  font-size: 1.6rem;
+  letter-spacing: 0;
+  line-height: 1.4;
+}
+
+.clearfix:after {
+  clear: both;
+  content: ' ';
+  display: table;
+}
+
+.float-left {
+  float: left;
+}
+
+.float-right {
+  float: right;
+}