article, aside, details, figcaption, figure, footer, header, main, nav, section, summary {
  display: block;
}

audio, canvas, video {
  display: inline-block;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

[hidden], template {
  display: none;
}

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

abbr[title] {
  border-bottom: 1px dotted;
}

b, strong {
  font-weight: bold;
}

dfn {
  font-style: italic;
}

hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0;
}

mark {
  background: #ff0;
  color: black;
}

code, kbd, pre, samp {
  font-family: monospace, serif;
  font-size: 1em;
}

pre {
  white-space: pre;
  word-wrap: normal;
}

q {
  quotes: "\201C" "\201D" "\2018" "\2019";
}

small {
  font-size: 80%;
}

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

sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

a {
  color: #1980e6;
  text-decoration: none;
}
a:hover {
  color: #0f4d8a;
  text-decoration: underline;
}
a:focus {
  color: #0f4d8a;
  text-decoration: underline;
  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}

img {
  border: 0;
}

svg:not(:root) {
  overflow: hidden;
}

figure {
  margin: 0;
}

fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

legend {
  border: 0;
  padding: 0;
}

textarea {
  overflow: auto;
  vertical-align: top;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
*:before, *:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Sans GB", "STHeiti", "Microsoft YaHei", "WenQuanYi Micro Hei", SimSun, Song, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  color: #2c3f51;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

img {
  vertical-align: middle;
}

.img-responsive {
  display: block;
  max-width: 100%;
  height: auto;
}

.img-rounded {
  border-radius: 6px;
}

.img-thumbnail {
  padding: 4px;
  line-height: 1.45;
  border: 1px solid #ddd;
  border-radius: 4px;
  -webkit-transition: all .2s ease-in-out;
  transition: all .2s ease-in-out;
  display: inline-block;
  max-width: 100%;
  height: auto;
}

.img-circle {
  border-radius: 50%;
}

hr {
  margin-top: 21px;
  margin-bottom: 21px;
  border: 0;
  border-top: 1px solid rgba(102, 128, 153, 0.1);
}

cite {
  font-style: normal;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 10.5px;
}

ul ul, ol ul, ul ol, ol ol {
  margin-bottom: 0;
}

dl {
  margin-top: 0;
  margin-bottom: 21px;
}

dt, dd {
  line-height: 1.45;
}

dt {
  font-weight: bold;
}

dd {
  margin-left: 0;
}

@media (min-width: 768px) {
  .dl-horizontal dt {
    float: left;
    width: 160px;
    clear: left;
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .dl-horizontal dd {
    margin-left: 180px;
  }
  .dl-horizontal dd:before {
    content: " ";
    display: table;
  }
  .dl-horizontal dd:after {
    content: " ";
    display: table;
    clear: both;
  }
  .dl-horizontal dd:before {
    content: " ";
    display: table;
  }
  .dl-horizontal dd:after {
    content: " ";
    display: table;
    clear: both;
  }
}
address {
  margin-bottom: 21px;
  font-style: normal;
  line-height: 1.45;
}

code, kbd, pre, samp {
  font-family: "Consolas", monospace;
}

p {
  word-wrap: break-word;
}

code {
  padding: 2px 4px;
  font-size: 90%;
  color: #2c3f51;
  background-color: rgba(102, 128, 153, 0.075);
  border-radius: 4px;
}

pre code {
  padding: 0;
  font-size: inherit;
  color: inherit;
  white-space: pre;
  background-color: transparent;
  border-radius: 4px;
}

li {
  word-wrap: break-word;
}
li.L0, li.L1, li.L2, li.L3, li.L5, li.L6, li.L7, li.L8 {
  list-style-type: none;
}
li.L1, li.L3, li.L5, li.L7, li.L9 {
  background: #eeeeee;
}

a code {
  color: inherit;
}

h1 {
  font-size: 2.6em;
}

h2 {
  font-size: 2.15em;
}

h3 {
  font-size: 1.7em;
}

h4 {
  font-size: 1.25em;
}

h5 {
  font-size: 1em;
}

h6 {
  font-size: 0.85em;
}

h1, h2, h3, h4, h5, h6 {
  margin: 1.8em 0;
  text-align: start;
}

p, pre, blockquote {
  margin: 0 0 1.1em;
}

hr {
  margin: 2em 0;
}

img {
  max-width: 100%;
}

code, pre {
  font-family: "Consolas", monospace;
  font-size: 0.9em;
}

dt {
  margin-top: 5px;
  margin-bottom: 5px;
}

dd {
  margin-top: 5px;
  margin-bottom: 5px;
  margin-left: 40px;
}

table {
  margin-bottom: 20px;
}
table th, table td {
  padding: 8px;
  line-height: 20px;
  vertical-align: top;
  border-top: 1px solid #dddddd;
}
table th {
  font-weight: bold;
}
table thead th {
  vertical-align: bottom;
}
table caption + thead tr:first-child th, table caption + thead tr:first-child td {
  border-top: 0;
}
table colgroup + thead tr:first-child th, table colgroup + thead tr:first-child td {
  border-top: 0;
}
table thead:first-child tr:first-child th, table thead:first-child tr:first-child td {
  border-top: 0;
}
table tbody + tbody {
  border-top: 2px solid #dddddd;
}

code {
  color: #000;
  background-color: rgba(134, 139, 143, 0.33);
  border-radius: 4px;
  margin: 2px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: bold;
  margin: 1.2em 0 0.6em 0;
}

blockquote {
  padding: 10px 20px;
  border-left: 10px solid rgba(102, 128, 153, 0.075);
  background-color: rgba(102, 128, 153, 0.05);
  color: #9a9a9a;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
}
blockquote p {
  font-weight: 300;
  margin-bottom: 1.1em;
  font-size: 1em;
  line-height: 1.45;
}
blockquote p:last-child {
  margin-bottom: 0;
}
blockquote small, blockquote .small {
  display: block;
  line-height: 1.45;
  color: #999999;
}
blockquote small:before, blockquote .small:before {
  content: "\2014 \00A0";
}
blockquote.pull-right {
  padding-right: 15px;
  padding-left: 0;
  border-right: 5px solid rgba(102, 128, 153, 0.075);
  border-left: 0;
}
blockquote.pull-right p, blockquote.pull-right small, blockquote.pull-right .small {
  text-align: right;
}
blockquote.pull-right small:before, blockquote.pull-right .small:before {
  content: "";
}
blockquote.pull-right small:after, blockquote.pull-right .small:after {
  content: "\00A0 \2014";
}
blockquote:before, blockquote:after {
  content: "";
}
blockquote ul:last-child, blockquote ol:last-child {
  margin-bottom: 0;
}
blockquote h1, blockquote h2, blockquote h3, blockquote h4, blockquote h5, blockquote h6 {
  font-weight: bold;
  margin: 0.4em 0;
}

/***** sidebar right ******/
.sidebar-right {
  width: 75px;
  position: fixed;
  top: 40%;
  right: -5px;
  text-align: center;
  z-index: 2222;
}

.sidebar-right div {
  margin-bottom: 5px;
  color: black;
}

.sidebar-right i {
  cursor: pointer;
}

.sidebar-right div:hover {
  color: rgba(0, 0, 0, 0.8);
}

.tags {
  display: inline-block;
}
@media screen and (max-width: 600px) {
  .tags {
    display: none;
  }
}

.br-screen,
.tags {
  display: inline-block;
}

@media screen and (max-width: 600px) {
  .br-screen {
    display: inherit;
  }

  .tags {
    display: none;
  }
}
@media screen and (max-width: 750px) {
  .sidebar-right {
    right: -10px;
  }

  .sidebar-right div {
    color: rgba(0, 0, 0, 0.4);
  }
}
.font-icons {
  margin: auto 5px;
}

.div-inline {
  display: inline-flex;
}

.post-contents {
  max-width: 250px;
  position: fixed;
  top: 20%;
  left: 20px;
  right: 20px;
  text-align: left;
  z-index: 10;
  visibility: hidden;
}

.contents-left {
  left: 20px;
  text-align: left;
}

@media screen and (max-width: 750px) {
  .post-contents {
    top: 5%;
  }
}
.tags-num {
  margin: 1px 0px 1px 2px;
  padding: 1px 2px;
  background-color: rgba(83, 104, 125, 0.25);
  white-space: nowrap;
  border-radius: 5px;
}