* {
  padding: 0;
  margin: 0;
  border: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

img {
  max-width: 100%;
  -webkit-user-drag: none;
  pointer-events: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

a {
  color: #337ab7;
  font-weight: bold;
}

a:hover {
  color: #23527c;
}

blockquote {
  padding-left: 20px;
  margin-bottom: 20px;
  font-size: 20px;
  color: #32323c;
  border-left: 3px solid #337ab7;
  background: none;
}

.btn {
  display: block;
  padding: 9px 10px;
  font-weight: normal;
  font-size: 16px;
  line-height: 1.33;
  text-decoration: none;
  text-align: center;
  color: #fff;
  border: 1px solid rgb(76, 174, 76);
  border-radius: 6px;
  background: #54b948;
}

.btn:hover {
  color: #fff;
  background-color: #449d44;
  border-color: #398439;
}

.btn:active {
  background-color: #398439;
  border-color: #255625;
}

.page {
  font-family: 'Open Sans', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 26px;
  color: #333;
}

.container {
  max-width: 1170px;
  padding: 0 15px;
  width: 100%;
  margin: 0 auto;
}

.advert {
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
  color: #d7d7d7;
  background: #273C51;
}

/* header */

.header {
  margin-bottom: 13px;
  border-bottom: 1px solid #ebecef;
  background: #fff;
}

.header__top-line {
  border-top: 1px solid #080808;
  border-bottom: 1px solid #080808;
  background: #344A5F;
}

.nav {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: end;
  -webkit-justify-content: flex-end;
      -ms-flex-pack: end;
          justify-content: flex-end;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  margin-right: 15px;
}

.nav__link {
  padding: 12px;
  font-weight: normal;
  font-size: 14px;
  line-height: 24px;
  text-decoration: none;
  color: #fff;
}

.nav__link:focus,
.nav__link:hover {
  color: #fff;
  background: #08c;
}

.header__bottom-line {
  padding-top: 15px;
  padding-bottom: 10px;
}

.header__logo {
  display: block;
  max-width: 300px;
}

.content__breadcrumbs {
  font-size: 14px;
  color: #686868;
  margin-bottom: 15px;
}

.content__title {
  font-weight: 800;
  font-size: 31px;
  line-height: 1.2;
  color: #17191c;
  margin-bottom: 10px;
}

.content__meta {
  color: #777; 
}

.share {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  margin-top: 8px;
  margin-bottom: 20px;
}

.share__item {
  -webkit-box-flex: 1;
  -webkit-flex: 1 1 auto;
      -ms-flex: 1 1 auto;
          flex: 1 1 auto;
  height: 34px;
  border-radius: 3px;
}

.share__item:not(:last-child) {
  margin-right: 8px;
}

.share__item_facebook {
  background: #3A579D url(../img/f.png) no-repeat center/17px;
}

.share__item_facebook:focus,
.share__item_facebook:hover {
  background-color: #2C4278;
}

.share__item_twitter {
  background: #00AAF0 url(../img/t.png) no-repeat center/17px;
}

.share__item_twitter:focus,
.share__item_twitter:hover {
  background-color: #0086BD;
}

.share__item_google {
  background: #DF4A32 url(../img/g.png) no-repeat center/17px;
}

.share__item_google:focus,
.share__item_google:hover {
  background-color: #C9371F;
}

.content__article img {
  display: block;
  margin-bottom: 20px;
}

.content__article .image_with_caption {
  margin-bottom: 0;
}

.image-caption {
  font-weight: bold;
  font-size: 14px;
  font-style: italic;
}

.content__article img.center {
  display: block;
}

.content__article h3 {
  font-size: 21px;
  line-height: 1.3;
  margin-bottom: 20px;
}

.content__article p {
  margin-bottom: 20px;
}

.content__article .small {
  font-size: 14px;
}

.promotion {
  padding: 8px 35px 8px 14px;
  margin-bottom: 30px !important;
  font-size: 14px;
  text-align: center;
  color: #3a87ad;
  border: 1px solid #bce8f1;
  border-radius: 4px;
  background-color: #d9edf7;
  -webkit-box-shadow: 0 1px 0 rgba(255,255,255,0.5);
          box-shadow: 0 1px 0 rgba(255,255,255,0.5);
}

.footer {
  position: relative;
  padding: 60px 0;
  margin-top: 150px;
  font-size: 14px;
  line-height: 1.6;
  word-wrap: break-word;
  background: #2e3138;
  color: #abb0ba;
  text-align: center;
}

.footer p {
  margin-bottom: 20px;
}

.footer__notation {
  font-size: 17px;
}

.footer-list {
  padding-left: 0;
  list-style: none;
  margin-bottom: 0;
}

.footer-list__item {
  display: inline-block;
  margin-bottom: 0;
}

.footer-list__item:not(:last-child):after {
  content: '\00B7';
  margin-left: 5px;
  pointer-events: none;
}

.footer a {
  font-weight: 400;
  color: #abb0ba;
  text-decoration: none;
}

.footer a:focus,
.footer a:hover {
  text-decoration: underline;
}

.sidebar {
  -webkit-box-flex: 0;
  -webkit-flex: 0 0 360px;
      -ms-flex: 0 0 360px;
          flex: 0 0 360px;
  padding-top: 30px;
  margin-left: 30px;
}

.sidebar__item {
  width: 360px;
  padding: 12px;
  -webkit-box-shadow: 1px 6px 30px -14px rgba(0,0,0,0.75);
          box-shadow: 1px 6px 30px -14px rgba(0,0,0,0.75);
}

.sidebar__item-title {
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.6;
  text-align: center;
  color: #fff;
  background-color: #010000;
}

.sidebar__image-link img {
  display: block;
}

.sidebar p {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.sidebar .btn {
  padding-top: 7px;
  padding-bottom: 7px;
}

.content__container {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}

.go-to-top {
  position: fixed;
  bottom: 20px;
  right: 30px;
  border: none;
  border-radius: 50px;
  height: 50px;
  width: 50px;
  background: #54b948 url(data:image/svg+xml;utf8;base64,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) no-repeat center/20px; 
  z-index: 99;
  outline: none;
  text-transform: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  cursor: pointer;
}

.go-to-top:focus,
.go-to-top:hover {
  background-color: #555;
}

@media screen and (max-width: 768px) {
  .sidebar {
    display: none;
  }
}

@media screen and (max-width: 450px) {
  .content__title {
    font-size: 22px;
  }
  .btn {
    font-size: 18px;
  }
}

@media screen and (max-width: 400px) {
  .nav {
    margin: 0;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  .footer {
    margin-top: 50px;
  }
}

@media screen and (max-width: 360px) {
  .nav__link {
    padding: 8px;
    font-size: 13px;
  }
}