.tricol,
.twocol {
  border-spacing: 25pt;
  border-collapse: separate;
}
.tricol > div.tricol-center,
.twocol > div.twocol-center {
  text-align: center;
  vertical-align: middle;
}
.btn,
ul.navbar > li > * {
  text-decoration: none;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Source Han Sans CN",
    "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei",
    "Wenquanyi Micro Hei", "WenQuanYi Zen Hei", "ST Heiti", SimHei,
    "WenQuanYi Zen Hei Sharp", "DejaVu Sans", Ubuntu, Arial, sans-serif,
    "Segoe UI", EmojiSymbols, Symbola;
  font-size: 12pt;
  line-height: 1.4;
  margin: 0;
  background-color: #eee;
  color: #333;
}
a {
  color: #3b4c55;
}
a:active,
a:hover {
  color: #455a64;
}
hr {
  border: none;
  border-bottom: 1px solid gray;
}
::selection {
  background-color: #303f46;
  color: #eaeff1;
}
.twocol {
  display: table;
  width: 100%;
  border: none;
}
.twocol > div {
  display: table-cell;
  width: 50%;
}
@media (max-width: 700px) {
  .twocol > div {
    display: table-row;
    width: 100%;
  }
}
.tricol {
  display: table;
  width: 100%;
  border: none;
}
.tricol > div {
  display: table-cell;
  width: 30%;
}
@media (max-width: 700px) {
  .tricol > div {
    display: table-row;
    width: 100%;
  }
}
.article {
  max-width: 800px;
  padding: 10pt;
  margin: 0 auto;
}
.article h1 {
  font-size: 250%;
  font-weight: 400;
}
.article img {
  border: none;
  max-width: 100%;
}
.btn {
  display: inline-block;
  box-shadow: 0 0 2px #3b4c55;
  border: 1px solid #3b4c55;
  background-color: #ccd7dc;
  color: #455a64;
  font-size: 12pt;
  padding: 0.33em 1em;
  transition: transform 0.2s cubic-bezier(0.1, -0.5, 0.1, 3);
  transform: scale(1);
  cursor: pointer;
}
.btn:focus,
.btn:hover {
  background-color: #eaeff1;
  box-shadow: 0 0 4px #303f46;
  outline: 0;
}
.btn:active {
  transform: scale(0.9);
  transition: transform 0.05s ease-out;
}
.btn.btn-dark {
  background-color: #3b4c55;
  color: #eaeff1;
}
.btn.btn-dark:focus,
.btn.btn-dark:hover,
.tooltip {
  background-color: #455a64;
}
.btn.btn-fixed {
  transform: scale(1);
}
.tooltip {
  display: block;
  position: absolute;
  padding: 5pt;
  margin: 5pt;
  color: #eaeff1;
  border-radius: 5pt;
  font-size: 10.8pt;
  line-height: 1em;
}
.tooltip > .tooltip-text {
  position: relative;
  display: block;
}
.tooltip > .tooltip-text:before {
  position: absolute;
  content: " ";
  left: 0;
  top: 100%;
  margin-top: 4.9pt;
  width: 0;
  height: 0;
  box-sizing: content-box;
  border: 5pt solid transparent;
  border-top-color: #455a64;
}
ul.navbar {
  font-size: 0;
  word-spacing: -1px\9;
  list-style: none;
  background-color: #3b4c55;
  margin: 0;
  padding: 0;
}
ul.navbar li {
  font-size: 12pt;
  letter-spacing: normal;
  word-spacing: normal;
}
ul.navbar:after {
  content: "";
  display: table;
  clear: both;
}
ul.navbar > li {
  color: #ccd7dc;
  display: inline;
  font-size: 10.8pt;
  position: relative;
}
ul.navbar > li > * {
  padding: 0 0.5em;
  height: 3em;
  line-height: 3em;
  display: inline-block;
  color: #ccd7dc;
}
ul.navbar > li input[type="button"],
ul.navbar > li input[type="submit"],
ul.navbar > li input[type="text"] {
  background-color: #455a64;
  border: none;
  padding: 0.5em;
  font-size: 10.8pt;
  margin: 0.5em 0;
  color: #ccd7dc;
}
ul.navbar > li input[type="button"].active,
ul.navbar > li input[type="button"]:active,
ul.navbar > li input[type="button"]:focus,
ul.navbar > li input[type="button"]:hover,
ul.navbar > li input[type="submit"].active,
ul.navbar > li input[type="submit"]:active,
ul.navbar > li input[type="submit"]:focus,
ul.navbar > li input[type="submit"]:hover,
ul.navbar > li input[type="text"].active,
ul.navbar > li input[type="text"]:active,
ul.navbar > li input[type="text"]:focus,
ul.navbar > li input[type="text"]:hover {
  outline: 0;
  color: #303f46;
  background-color: #ccd7dc;
}
ul.navbar > li > a {
  padding: 0 1.5em;
}
ul.navbar > li > a.active,
ul.navbar > li > a:active,
ul.navbar > li > a:focus,
ul.navbar > li > a:hover {
  background-color: #455a64;
  color: #eaeff1;
}
ul.navbar > li.align-right {
  float: right;
}
.spinner {
  position: relative;
  display: inline-block;
  width: 1.2em;
  height: 1.2em;
  box-sizing: border-box;
  vertical-align: middle;
  border-radius: 50%;
  border: 0.15em solid transparent;
  border-left-color: #455a64;
  -webkit-transform-origin: center center;
  transform-origin: center center;
  -webkit-animation: spinner-ani 1s infinite linear;
  animation: spinner-ani 1s infinite linear;
}
div.spinner {
  display: block;
  width: 160px;
  height: 160px;
  border-width: 10px;
  margin: 0.5em auto;
}
@-webkit-keyframes spinner-ani {
  0% {
    -webkit-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes spinner-ani {
  0% {
    -webkit-transform: rotate(0);
    transform: rotate(0);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}