/* PC */
@media (min-width:769px), print {
  .content__inner {
    margin: 0 auto;
    width: 1130px
  }
  .content__caption {
    color: #383432;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -.02em;
    margin-bottom: 65px;
    text-align: center
  }
  .article__list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: 0 auto 100px
  }
  .article__list-item {
    width: calc(33.33333% - 21.33333px)
  }
  .article__list-item:nth-of-type(n+2) {
    margin-left: 32px
  }
  .article__list-item:nth-of-type(3n+1) {
    margin-left: 0
  }
  .article__list-item:nth-of-type(n+4) {
    margin-top: 50px
  }
  .article__list-item-figure {
    border-radius: 4px;
    height: 186px;
    margin-bottom: 15px;
    overflow: hidden;
    position: relative;
    width: 356px
  }
  .article__list-item-title {
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: -.02em;
    line-height: 1.875rem;
    margin-bottom: 5px
  }
  .article__list-item-category {
    font-size: .6875rem
  }
  .pager {
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    align-items: center;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    justify-content: center
  }
  .pager__row {
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex
  }
  .pager__list {
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    align-items: center;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    justify-content: center;
    margin: 0 15px
  }
  .pager__list-item:nth-of-type(n+2) {
    margin-left: 5px
  }
  .pager__list-item a, .pager__list-item span {
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    align-items: center;
    border-radius: 50%;
    color: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    font-size: .75rem;
    height: 40px;
    justify-content: center;
    line-height: 1;
    width: 40px
  }
  .pager__list-item span {
    background: #504c4a
  }
  .pager__list-item a {
    background: rgba(80, 76, 74, .2)
  }
  .pager__arrow {
    font-size: .75rem
  }
  .promoted-articles {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  padding-top: 46px;
  }
  @media (min-width: 1024px) {
    .promoted-articles {
      flex-direction: row;
    }
  }
  .promoted-articles-item {
    flex: 1 0 auto;
  }
  @media (min-width: 1024px) {
    .promoted-articles-item {
      align-self: flex-end;
      flex: 0 0 auto;
      padding-right: 30px;
      width: 33%;
  }
    [dir="rtl"] .promoted-articles-item {
      padding: 0 0 0 30px;
    }
  }
  .promoted-articles-item:nth-child(3n) {
    padding-right: 0;
  }
  .promoted-articles-item a {
    border-bottom: 1px solid #ddd;
    color: #333333;
    display: block;
    padding: 15px 0;
  }
  .promoted-articles-item:last-child a {
    border: 0;
  }
  @media (min-width: 1024px) {
    .promoted-articles-item:last-child a {
      border-bottom: 1px solid #ddd;
    }
  }
  .knowledge-base {
  }
  .sub-nav {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin-bottom: 30px;
    -height: 50px;
    padding-bottom: 15px;
  }
  @media (min-width: 768px) {
    .sub-nav {
      align-items: baseline;
      flex-direction: row;
    }
  }
  @media (min-width: 768px) {
    .sub-nav input[type="search"] {
      min-width: 300px;
    }
  }
  .sub-nav input[type="search"]::after {
    font-size: 15px;
  }
  .breadcrumbs {
    margin: 0 0 15px 0;
    padding: 0;
  }
  @media (min-width: 768px) {
    .breadcrumbs {
      margin: 0;
    }
  }
  .breadcrumbs li {
    color: #666;
    display: inline;
    font-weight: 300;
    font-size: 13px;
    max-width: 450px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .breadcrumbs li + li::before {
    content: ">";
    margin: 0 4px;
  }
  .breadcrumbs li a:visited {
    color: #1a74b0;
  }
  .search {
    position: relative;
  }
  .search input[type="search"] {
    border: 1px solid #ddd;
    border-radius: 30px;
    box-sizing: border-box;
    color: #999;
    height: 40px;
    padding-left: 40px;
    padding-right: 20px;
    -webkit-appearance: none;
    width: 100%;
  }
  [dir="rtl"] .search input[type="search"] {
    padding-right: 40px;
    padding-left: 20px;
  }
  .search input[type="search"]:focus {
    border: 1px solid #504C4A;
    color: #555;
  }
  .search::before {
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    background-color: #fff;
    color: #777777;
    content: "\1F50D";
    font-size: 18px;
    position: absolute;
    left: 15px;
  }
  [dir="rtl"] .search::before {
    right: 15px;
    left: auto;
  }
  .search-full input[type="search"] {
    border: 1px solid #fff;
  }
  .article {
    flex: 1 0 auto;
  }
  @media (min-width: 1024px) {
    .article {
      flex: 1 0 66%;
      margin: 0 180px;
      min-width: 640px;
      padding: 0 30px;
    }
  }
  .article-container {
    display: flex;
    flex-direction: column;
  }
  @media (min-width: 1024px) {
    .article-container {
      flex-direction: row;
    }
  }
  .article-header {
    align-items: flex-start;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
    margin-top: 20px;
  }
  @media (min-width: 768px) {
    .article-header {
      flex-direction: row;
      margin-top: 0;
    }
  }
  .article-author {
    margin-bottom: 10px;
  }
  @media (min-width: 768px) {
    .article-title {
      flex-basis: 100%;
      /* Take entire row */
    }
  }
  .article-title .icon-lock::before {
    content: "\1F512";
    font-size: 20px;
    position: relative;
    left: -5px;
    vertical-align: baseline;
  }
  .article [role="button"] {
    flex-shrink: 0;
    /*Avoid collapsing elements in Safari (https://github.com/philipwalton/flexbugs#1-minimum-content-sizing-of-flex-items-not-honored)*/
    width: 100%;
  }
  @media (min-width: 768px) {
    .article [role="button"] {
      width: auto;
    }
  }
  .article-info {
    max-width: 100%;
  }
  .article-meta {
    display: inline-block;
    margin-left: 10px;
    vertical-align: middle;
  }
  .article-body img {
    height: auto;
    max-width: 100%;
  }
  .article-body ul, .article-body ol {
    padding-left: 20px;
    list-style-position: outside;
    margin: 20px 0 20px 20px;
  }
  [dir="rtl"] .article-body ul, [dir="rtl"] .article-body ol {
    padding-right: 20px;
    padding-left: 0;
    margin-left: 0;
    margin-right: 20px;
  }
  .article-body ul > ul, .article-body ol > ol, .article-body ol > ul, .article-body ul > ol, .article-body li > ul, .article-body li > ol {
    margin: 0;
  }
  .article-body ul {
    list-style-type: disc;
  }
  .article-body a:visited {
    color: #0d3957;
  }
  .article-body code {
    background: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 3px;
    padding: 0 5px;
    margin: 0 2px;
  }
  .article-body pre {
    background: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 3px;
    padding: 10px 15px;
    overflow: auto;
    white-space: pre;
  }
  .article-body blockquote {
    border-left: 1px solid #ddd;
    color: #666;
    font-style: italic;
    padding: 0 15px;
  }
  .article-body > p:last-child {
    margin-bottom: 0;
  }
  .article-body-title {
      border-bottom: 1px solid #ddd;
      padding-top: 24px;
      padding-bottom: 12px;
      margin-bottom: 24px;
  }
  .article-body-detail {
      margin-top: 24px;
      margin-bottom: 24px;
      padding: .25em 0 .25em .75em;
      border-left: 6px solid #ccc;
  }

  .article-body .link_color a{
    color:#2F81B8;
    text-decoration: underline;
  }  
  .article-content {
    line-height: 1.6;
    margin: 40px 0;
    word-wrap: break-word;
  }
  .article-footer {
    align-items: center;
    display: flex;
    justify-content: space-between;
    padding-bottom: 20px;
  }
  .article-comment-count {
    color: #666;
    font-weight: 300;
  }
  .article-comment-count:hover {
    text-decoration: none;
  }
  .article-comment-count .icon-comments {
    color: #504C4A;
    content: "\1F4AC";
    display: inline-block;
    font-size: 18px;
    padding: 5px;
  }
  .article-sidebar {
    border-bottom: 1px solid #ddd;
    border-top: 1px solid #ddd;
    flex: 1 0 auto;
    margin-bottom: 20px;
    padding: 0;
  }
  @media (min-width: 1024px) {
    .article-sidebar {
      border: 0;
      flex: 0 0 17%;
      height: auto;
    }
  }
  .article-relatives {
    border-top: 1px solid #ddd;
    display: flex;
    flex-direction: column;
    padding: 20px 0;
  }
  @media (min-width: 768px) {
    .article-relatives {
      flex-direction: row;
    }
  }
  .article-relatives > * {
    flex: 1 0 auto;
    margin-right: 0;
  }
  .article-relatives > *:last-child {
    margin: 0;
  }
  @media (min-width: 768px) {
    .article-relatives > * {
      margin-right: 20px;
    }
  }
  .article-votes {
    border-top: 1px solid #ddd;
    padding: 30px 0;
    text-align: center;
  }
  .article-vote {
    background: transparent;
    border: 1px solid #504C4A;
    color: #504C4A;
    margin: 10px 5px;
    padding: 0px 20px;
    min-width: 90px;
    width: auto;
  }
  .article-vote::before {
    font-size: 8px;
    margin-right: 10px;
  }
  [dir="rtl"] .article-vote::before {
    margin-right: 0;
    margin-left: 10px;
  }
  .article-vote::after {
    content: attr(title);
  }
  .article-vote:focus, .article-vote:active {
    background-color: transparent;
    color: #504C4A;
  }
  .article-vote:hover {
    background-color: #504C4A;
  }
  .article-vote:hover::before, .article-vote:hover::after, .article-vote[aria-selected="true"]::before, .article-vote[aria-selected="true"]::after {
    color: #ffffff;
  }
  .article-vote-up::before {
    content: "\2713";
  }
  .article-vote-down::before {
    content: "\2715";
  }
  .article-more-questions {
    margin: 10px 0 20px;
    text-align: center;
  }
  .article-return-to-top {
    border-top: 1px solid #ddd;
  }
  @media (min-width: 1024px) {
    .article-return-to-top {
      display: none;
    }
  }
  .article-return-to-top a {
    color: #333333;
    display: block;
    padding: 20px 0;
  }
  .article-return-to-top a:hover, .article-return-to-top a:focus {
    text-decoration: none;
  }
  .article-return-to-top .icon-arrow-up::before {
    font-size: 16px;
    margin-left: 5px;
  }
  [dir="rtl"] .article-return-to-top .icon-arrow-up::before {
    margin-right: 10px;
  }
  .article-unsubscribe {
    background-color: #504C4A;
    color: #ffffff;
    text-decoration: none;
  }
  .article-unsubscribe:hover {
    background-color: #ad5f00;
    border-color: #ad5f00;
  }
  .sidenav-title {
    font-size: 15px;
    position: relative;
  }
  .sidenav-item {
    border-radius: 4px;
    color: #333333;
    display: block;
    font-weight: 300;
    margin-bottom: 10px;
    padding: 10px;
  }
  .sidenav-item.current-article, .sidenav-item:hover {
    background-color: #504C4A;
    color: #ffffff;
    text-decoration: none;
  }
  .recent-articles h3,
  .related-articles h3 {
    font-size: 15px;
    margin: 20px 0;
  }
  .recent-articles li,
  .related-articles li {
    margin-bottom: 15px;
  }
}

/* SP */
@media only screen and (max-width:768px) {
  .content__inner {
    padding: 6.666666666666667vw 5.333333333333334vw 0
  }
  .content__caption {
    color: #383432;
    font-size: 5.333333333333334vw;
    font-weight: 500;
    margin-bottom: 9.6vw;
    text-align: center
  }
  .article__list {
    margin-bottom: 18.666666666666668vw
  }
  .article__list-item:nth-of-type(n+2) {
    margin-top: 9.6vw
  }
  .article__list-item-figure {
    border-radius: 1.0666666666666667vw;
    height: 46.666666666666664vw;
    margin-bottom: 4vw;
    overflow: hidden;
    position: relative;
    width: 89.33333333333333vw
  }
  .article__list-item-title {
    font-size: 3.733333333333334vw;
    font-weight: 500;
    line-height: 7.199999999999999vw;
    margin-bottom: 1.3333333333333335vw
  }
  .article__list-item-category {
    font-size: 2.933333333333333vw
  }
  .pager {
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    align-items: center;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    justify-content: center
  }
  .pager__row {
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex
  }
  .pager__list {
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    align-items: center;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    justify-content: center;
    margin: 0 4vw
  }
  .pager__list-item:nth-of-type(n+2) {
    margin-left: 1.3333333333333335vw
  }
  .pager__list-item a, .pager__list-item span {
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    align-items: center;
    border-radius: 50%;
    color: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    font-size: 3.2vw;
    height: 10.666666666666668vw;
    justify-content: center;
    line-height: 1;
    width: 10.666666666666668vw
  }
  .pager__list-item span {
    background: #504c4a
  }
  .pager__list-item a {
    background: rgba(80, 76, 74, .2)
  }
  .pager__arrow {
    font-size: 3.2vw
  }
  .promoted-articles {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  padding-top: 23px;
}
  @media (min-width: 1024px) {
    .promoted-articles {
      flex-direction: row;
    }
  }
  .promoted-articles-item {
    flex: 1 0 auto;
  }

  @media (min-width: 1024px) {
    .promoted-articles-item {
      align-self: flex-end;
      flex: 0 0 auto;
      padding-right: 30px;
      width: 33%;
    }
    [dir="rtl"] .promoted-articles-item {
      padding: 0 0 0 30px;
    }
  }
  .promoted-articles-item:nth-child(3n) {
    padding-right: 0;
  }
  .promoted-articles-item a {
    border-bottom: 1px solid #ddd;
    color: #333333;
    display: block;
    padding: 15px 0;
    opacity: 0.7;
    color: white;
  }
  .promoted-articles-item:last-child a {
   border-bottom: 1px solid #ddd;
  }
  .knowledge-base {
    margin-top: 43px;
  }
  .sub-nav {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin-bottom: 30px;
    min-height: 50px;
    padding-bottom: 15px;
  }
  @media (min-width: 768px) {
    .sub-nav {
      align-items: baseline;
      flex-direction: row;
    }
  }
  @media (min-width: 768px) {
    .sub-nav input[type="search"] {
      min-width: 300px;
    }
  }
  .sub-nav input[type="search"]::after {
    font-size: 15px;
  }
  .breadcrumbs {
    margin: 0 0 15px 0;
    padding: 0;
  }
  @media (min-width: 768px) {
    .breadcrumbs {
      margin: 0;
    }
  }
  .breadcrumbs li {
    color: #666;
    display: inline;
    font-weight: 300;
    font-size: 13px;
    max-width: 450px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .breadcrumbs li + li::before {
    content: ">";
    margin: 0 4px;
  }
  .breadcrumbs li a:visited {
    color: #1a74b0;
  }
  .search {
    position: relative;
  }
  .search input[type="search"] {
    border: 1px solid #ddd;
    border-radius: 30px;
    box-sizing: border-box;
    color: #999;
    height: 40px;
    padding-left: 40px;
    padding-right: 20px;
    -webkit-appearance: none;
    width: 100%;
  }
  [dir="rtl"] .search input[type="search"] {
    padding-right: 40px;
    padding-left: 20px;
  }
  .search input[type="search"]:focus {
    border: 1px solid #504C4A;
    color: #555;
  }
  .search::before {
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    background-color: #fff;
    color: #777777;
    content: "\1F50D";
    font-size: 18px;
    position: absolute;
    left: 15px;
  }
  [dir="rtl"] .search::before {
    right: 15px;
    left: auto;
  }
  .search-full input[type="search"] {
    border: 1px solid #fff;
  }
  .article {
    flex: 1 0 auto;
  }
  @media (min-width: 1024px) {
    .article {
      flex: 1 0 66%;
      margin: 0 180px;
      min-width: 640px;
      padding: 0 30px;
    }
  }
  .article-container {
    display: flex;
    flex-direction: column;
  }
  @media (min-width: 1024px) {
    .article-container {
      flex-direction: row;
    }
  }
  .article-header {
    align-items: flex-start;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
    margin-top: 20px;
  }
  @media (min-width: 768px) {
    .article-header {
      flex-direction: row;
      margin-top: 0;
    }
  }
  .article-author {
    margin-bottom: 10px;
  }
  @media (min-width: 768px) {
    .article-title {
      flex-basis: 100%;
      /* Take entire row */
    }
  }
  .article-title .icon-lock::before {
    content: "\1F512";
    font-size: 20px;
    position: relative;
    left: -5px;
    vertical-align: baseline;
  }
  .article [role="button"] {
    flex-shrink: 0;
    /*Avoid collapsing elements in Safari (https://github.com/philipwalton/flexbugs#1-minimum-content-sizing-of-flex-items-not-honored)*/
    width: 100%;
  }
  @media (min-width: 768px) {


  .button, [role="button"] {
      border: 1px solid #504C4A;
      border-radius: 4px;
      color: #504C4A;
      cursor: pointer;
      display: inline-block;
      font-size: 12px;
      line-height: 2.34;
      margin: 0;
      padding: 0 20px;
      text-align: center;
      transition: background-color .12s ease-in-out, border-color .12s ease-in-out, color .15s ease-in-out;
      user-select: none;
      white-space: nowrap;
      width: 100%;
      -webkit-touch-callout: none;
  }
}

  .article-info {
    max-width: 100%;
  }
  .article-meta {
    display: inline-block;
    margin-left: 10px;
    vertical-align: middle;
  }
  .article-body img {
    height: auto;
    max-width: 100%;
  }
  .article-body ul, .article-body ol {
    padding-left: 20px;
    list-style-position: outside;
    margin: 20px 0 20px 20px;
  }
  [dir="rtl"] .article-body ul, [dir="rtl"] .article-body ol {
    padding-right: 20px;
    padding-left: 0;
    margin-left: 0;
    margin-right: 20px;
  }
  .article-body ul > ul, .article-body ol > ol, .article-body ol > ul, .article-body ul > ol, .article-body li > ul, .article-body li > ol {
    margin: 0;
  }
  .article-body ul {
    list-style-type: disc;
  }
  .article-body a:visited {
    color: #0d3957;
  }
  .article-body code {
    background: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 3px;
    padding: 0 5px;
    margin: 0 2px;
  }
  .article-body pre {
    background: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 3px;
    padding: 10px 15px;
    overflow: auto;
    white-space: pre;
  }
  .article-body blockquote {
    border-left: 1px solid #ddd;
    color: #666;
    font-style: italic;
    padding: 0 15px;
  }
  .article-body > p:last-child {
    margin-bottom: 0;
  }
  .article-body-title {
      border-bottom: 1px solid #ddd;
      padding-top: 24px;
      padding-bottom: 12px;
      margin-bottom: 24px;
  }
  .article-body-detail {
      margin-top: 24px;
      margin-bottom: 24px;
      padding: .25em 0 .25em .75em;
      border-left: 6px solid #ccc;
  }
  .article-content {
    line-height: 1.6;
    margin: 40px 0;
    word-wrap: break-word;
  }
  .article-footer {
    align-items: center;
    display: flex;
    justify-content: space-between;
    padding-bottom: 20px;
  }
  .article-comment-count {
    color: #666;
    font-weight: 300;
  }
  .article-comment-count:hover {
    text-decoration: none;
  }
  .article-comment-count .icon-comments {
    color: #504C4A;
    content: "\1F4AC";
    display: inline-block;
    font-size: 18px;
    padding: 5px;
  }
  .article-sidebar {
    border-bottom: 1px solid #ddd;
    border-top: 1px solid #ddd;
    flex: 1 0 auto;
    margin-bottom: 20px;
    padding: 0;
  }
  @media (min-width: 1024px) {
    .article-sidebar {
      border: 0;
      flex: 0 0 17%;
      height: auto;
    }
  }
  .article-relatives {
    border-top: 1px solid #ddd;
    display: flex;
    flex-direction: column;
    padding: 20px 0;
  }
  @media (min-width: 768px) {
    .article-relatives {
      flex-direction: row;
    }
  }
  .article-relatives > * {
    flex: 1 0 auto;
    margin-right: 0;
  }
  .article-relatives > *:last-child {
    margin: 0;
  }
  @media (min-width: 768px) {
    .article-relatives > * {
      margin-right: 20px;
    }
  }
  .article-votes {
    border-top: 1px solid #ddd;
    padding: 30px 0;
    text-align: center;
  }
  .article-vote {
    background: transparent;
    border: 1px solid #504C4A;
    color: #504C4A;
    margin: 10px 5px;
    padding: 0px 20px;
    min-width: 90px;
    width: auto;
  }
  .article-vote::before {
    font-size: 8px;
    margin-right: 10px;
  }
  [dir="rtl"] .article-vote::before {
    margin-right: 0;
    margin-left: 10px;
  }
  .article-vote::after {
    content: attr(title);
  }
  .article-vote:focus, .article-vote:active {
    background-color: transparent;
    color: #504C4A;
  }
  .article-vote:hover {
    background-color: #504C4A;
  }
  .article-vote:hover::before, .article-vote:hover::after, .article-vote[aria-selected="true"]::before, .article-vote[aria-selected="true"]::after {
    color: #ffffff;
  }
  .article-vote-up::before {
    content: "\2713";
  }
  .article-vote-down::before {
    content: "\2715";
  }
  .article-more-questions {
    margin: 10px 0 20px;
    text-align: center;
  }
  .article-return-to-top {
    border-top: 1px solid #ddd;
  }
  @media (min-width: 1024px) {
    .article-return-to-top {
      display: none;
    }
  }
  .article-return-to-top a {
    color: #333333;
    display: block;
    padding: 20px 0;
  }
  .article-return-to-top a:hover, .article-return-to-top a:focus {
    text-decoration: none;
  }
  .article-return-to-top .icon-arrow-up::before {
    font-size: 16px;
    margin-left: 5px;
  }
  [dir="rtl"] .article-return-to-top .icon-arrow-up::before {
    margin-right: 10px;
  }
  .article-unsubscribe {
    background-color: #504C4A;
    color: #ffffff;
    text-decoration: none;
  }
  .article-unsubscribe:hover {
    background-color: #ad5f00;
    border-color: #ad5f00;
  }
  .sidenav-title {
    font-size: 15px;
    position: relative;
  }
  .sidenav-item {
    border-radius: 4px;
    color: #333333;
    display: block;
    font-weight: 300;
    margin-bottom: 10px;
    padding: 10px;
  }
  .sidenav-item.current-article, .sidenav-item:hover {
    background-color: #504C4A;
    color: #ffffff;
    text-decoration: none;
  }

  element.style {
  }
  @media (min-width: 768px)
  .article-relatives {
      flex-direction: row;
  }

  .article-relatives {
      border-top: 1px solid #ddd;
      display: flex;
      flex-direction: column;
      padding: 20px 0;
  }

  .recent-articles h3,
  .related-articles h3 {
    font-size: 15px;
    margin: 20px 0;
  }
  .recent-articles li,
  .related-articles li {
    margin-bottom: 15px;
  }
}

@media  (max-width: 768px)　{
.related-articles {
  text-align:center;
  padding:20px 0;
}}

html { 
  scroll-behavior: smooth;
}