body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
}

html,
body,
.page {
  height: 100%;
}

a {
  color: #0089cb;
  text-decoration: none;
}

a.active {
  text-decoration: underline;
}

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

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

.back-link {
  display: block;
  margin-bottom: 0;
}

@media screen and (min-width: 960px) {

  .back-link {
    margin-bottom: 30px;
  }
}

.menu-btn {
  display: inline-flex;
}

@media screen and (min-width: 960px) {

  .menu-btn {
    display: none;
  }
}

.page {
}

@media screen and (min-width: 960px) {

  .page {
    display: flex;
  }
}

.page__side {
  padding: 15px 20px;
  border-bottom: 1px solid #ddd;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media screen and (min-width: 960px) {

  .page__side {
    display: block;
    padding: 30px;
    flex: 0 0 300px;
    max-width: 300px;
    border-right: 1px solid #ddd;
    border-bottom: none;
  }
}

.side-title {
  font-size: 18px;
  margin-top: 0;
  margin-bottom: 0;
}

@media screen and (min-width: 960px) {

  .side-title {
    font-size: 24px;
    margin-bottom: 30px;
  }
}

.page__main {
  flex: 1 0 660px;
  max-width: 660px;
  padding: 30px 20px;
  overflow-x: hidden;
  overflow-y: auto;
}

@media screen and (min-width: 960px) {

  .page__main {
    padding: 30px;
  }
}

.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform .5s;
  padding: 30px 20px;
  background: #fff;
  border-right: 1px solid #ddd;
  z-index: 99999;
}

.side-menu.is-open {
  transform: translateX(0);
}

@media screen and (min-width: 960px) {

  .side-menu {
    position: static;
    width: 100%;
    height: auto;
    overflow: initial;
    transform: none !important;
    padding: 0;
    background: transparent;
    border: none;
    transition: none;
  }
}

.side-menu ul {
  color: #0089cb;
  list-style-type: none;
  /* margin: 0 0 0 1em; */
  margin: 0;
  padding: 0;
}

.side-menu ul li {
  margin-bottom: 15px;
}

.side-menu ul ul {
  margin-top: 15px;
  margin-left: 20px;
  /* margin-left: 30px; */
  /* list-style-type: decimal; */
}

.content p,
.content li {
  line-height: 1.5;
}

.content img,
.content video {
  width: 100%;
  height: auto;
  border: 1px solid #ddd;
}

.content h1,
.content h2,
.content h3,
.content h4,
.content h5 {
  margin: 30px 0;
}

.content h1:first-child,
.content h2:first-child,
.content h3:first-child,
.content h4:first-child,
.content h5:first-child {
  margin-top: 0;
}

.content ul,
.content ul li,
.content p {
  margin-top: 0;
  margin-bottom: 20px;
}

.content a {
  text-decoration: underline;
}

.content a:hover,
.content a:focus,
.content a:active {
  text-decoration: none;
}

.content hr {
  margin: 30px 0;
  border: none;
  border-top: 1px solid #ddd;
}

.content .img-link {
  display: block;
}

.content .img-link img,
.content .img-link video {
  display: block;
}