@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,400;0,900;1,900;1,800&display=swap'); /* reset boostrap css */

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: #0074d4;
  text-decoration: none;
}

button:focus,
*:focus {
  outline: 0;
}

nav ul {
  margin-bottom: 0;
  padding-left: 0;
}

nav li {
  list-style: none;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

figure img {
  width: 100%;
}


/* styling */

.container-fluid {
  max-width: 1150px;
}

body {
  color: rgba(24, 24, 24, .7);
  font: 12px/17px "Lato", Helvetica, sans-serif;
  position: relative;
  padding-top: 60px;
}

.logo {
  font-size: 0;
  display: inline-block;
}

.logo a {
  display: block;
  width: 190px;
  height: 14px;
  background: url(../images/logo-ScienceTimes-white.svg) center / contain no-repeat;
}

.pn {
  background-color: #003663;
  color: white;
  font-size: 14px;
  padding-left: 15px;
  padding-right: 15px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.pn a:hover {
  color: #a6cff7;
}

.pn .logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.searchform {
  position: absolute;
  top: 15px;
  left: 55px;
  right: 55px;
}

.searchform form {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  overflow: hidden;
  transition: 0.3s;
}

.showSearch .searchform form {
  width: 100%;
}

.searchform input {
  height: 30px;
  border: 0;
}

.searchform input[type="text"] {
  width: 100%;
  background: white;
  font-size: 14px;
  text-indent: 10px;
  -webkit-border-radius: 4px 0 0 4px;
  -moz-border-radius: 4px 0 0 4px;
  border-radius: 4px 0 0 4px;
}

.searchform input[type="submit"] {
  width: 30px;
  background: url(../images/icon_search2_alt.svg) center / 14px no-repeat white;
  -webkit-border-radius: 0 4px 4px 0;
  -moz-border-radius: 0 4px 4px 0;
  border-radius: 0 4px 4px 0;
}

.topics {
  font-weight: 800;
  font-size: 14px;
  color: #003663;
  padding-top: 9px;
  padding-bottom: 30px;
}

.topics strong {
  color: #c02231;
}

.topics a {
  margin-left: 10px;
}

a.button {
  font-weight: 800;
  font-size: 15px;
  text-transform: uppercase;
  color: #003663;
  background-color: white;
  display: inline-block;
  padding: 7px 15px 6px;
  border-radius: 4px;
}

a.button:hover {
  background-color: #a6cff7;
  color: #003663;
}

.icon {
  cursor: pointer;
  width: 32px;
  height: 60px;
  background-position: center;
  background-repeat: no-repeat;
}

.icon-search {
  background-image: url(../images/icon_search2_alt.svg);
  background-size: 14px;
}

.icon-menu {
  background-image: url(../images/icon_menu.svg);
  background-size: 90px;
  background-position: 10px center;
}

.icon.active {
  background-image: url(../images/icon_close.svg);
  background-size: 24px;
}

.ph {
  border-bottom: 1px solid #d9d9d9;
  padding-top: 10px;
  padding-bottom: 10px;
}

@media (min-width: 576px) {
  .pn .logo a {
    width: 247px;
    height: 19px;
    top: 20.5px;
  }
  .searchform {
    right: 15px;
  }
  .icon-search {
    order: 1;
  }
  .icon-menu {
    order: 2;
  }
  .icon-menu.text {
    width: 100px;
  }
  .icon-menu.text.active {
    /* position: 4px center; */
  }
  .pn ul {
    order: 3;
  }
  .ph time {
    margin-bottom: 0;
  }
}

@media (min-width: 1200px) {
  .pn ul {
    display: flex;
  }
  .pn li {
    margin-left: 20px;
  }
  .ph {
    position: relative;
    padding: 0;
    height: 90px;
  }
  .ph time {
    margin-bottom: 20px;
  }
  .ph .social {
    margin-bottom: 8px;
  }
  .ph .logo {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
  }
  .ph .logo a {
    width: 417px;
    height: 33px;
    background-image: url(../images/logo-ScienceTimes.svg);
  }
}

@media (min-width:1260px) {
  a.button {
    padding-left: 23px;
    padding-right: 23px;
  }
}

@media (max-width: 1199px) {
  .pn ul {
    position: fixed;
    top: 60px;
    left: 0;
    width: 290px;
    background-color: white;
    height: calc(100vh - 60px);
    display: block;
    transform: translateX(-100%);
    transition: 0.3s;
    overflow-y: auto;
  }
  .pn ul li {
    border-bottom: 1px solid #e0e0e0;
  }
  .pn ul li a {
    display: block;
    padding: 15px;
    font-weight: 800;
    font-size: 16px;
    color: #003663;
  }
  .pn ul li a:hover {
    background-color: #0074d4;
    color: white;
  }
  .ph .logo {
    position: fixed;
    top: 23px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
  }
  .showMenu .pn ul {
    transform: translateX(0);
    -webkit-box-shadow: 2px 0 3px rgba(0, 0, 0, .05);
    -moz-box-shadow: 2px 0 3px rgba(0, 0, 0, .05);
    box-shadow: 2px 0 3px rgba(0, 0, 0, .05);
  }
  .showSearch .ph .logo {
    visibility: hidden;
    opacity: 0;
  }
}

@media (min-width: 576px) and (max-width:1199px) {
  .ph .logo a {
    width: 247px;
    height: 19px;
    top: 20.5px;
  }
}

@media (max-width:575px) {
  .pn a.button {
    display: none;
  }
}

.pn2 ul {
  position: fixed;
  z-index: 100;
  top: 60px;
  left: 0;
  width: 290px;
  background-color: white;
  height: calc(100vh - 60px);
  display: block;
  transform: translateX(-100%);
  transition: 0.3s;
  overflow-y: auto;
}

.pn2 ul li {
  border-bottom: 1px solid #e0e0e0;
}

.pn2 ul li a {
  display: block;
  padding: 15px;
  font-weight: 800;
  font-size: 16px;
  color: #003663;
}

.pn2 ul li a:hover {
  background-color: #0074d4;
  color: white;
}

.showMenu .pn2 ul {
  transform: translateX(0);
  -webkit-box-shadow: 2px 0 3px rgba(0, 0, 0, .05);
  -moz-box-shadow: 2px 0 3px rgba(0, 0, 0, .05);
  box-shadow: 2px 0 3px rgba(0, 0, 0, .05);
}

.social {
  display: flex;
  font-size: 0;
}

.social a {
  display: block;
  margin-left: 5px;
  border-radius: 50%;
  position: relative;
  background-color: #003663;
}

.social a:hover {
  background-color: #0074d4;
}

.social a:first-of-type {
  margin-left: 0;
}

.social a::before {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
}

.social .facebook::before {
  background-image: url(../images/social_facebook.svg);
}

.social .twitter::before {
  background-image: url(../images/social_twitter.svg);
}

.social .instagram::before {
  background-image: url(../images/social_instagram.svg);
}

.social .linkedin::before {
  background-image: url(../images/social_linkedin.svg);
}

.social .print::before {
  background-image: url(../images/icon_printer.svg);
}

.social .comment::before {
  background-image: url(../images/icon_comment.svg);
}

.social .mail::before {
  background-image: url(../images/icon_mail.svg);
}

.ph .social a {
  width: 22px;
  height: 22px;
}

.ph .social a::before {
  width: 12px;
  height: 12px;
}

.pf .social a {
  width: 30px;
  height: 30px;
  margin-left: 8px;
  background-color: rgba(255, 255, 255, .2);
}

.pf .social a:first-of-type {
  margin-left: 0;
}

.pf .social a:hover {
  background-color: rgba(255, 255, 255, .4);
}

.pf .social a::before {
  width: 16px;
  height: 16px;
}

.article-social .social a {
  background-color: #5988b6;
  width: 32px;
  height: 32px;
}

.article-social .social a::before {
  width: 14px;
  height: 14px;
}

.article-social .social .facebook {
  background-color: #3d5b96;
}

.article-social .social .twitter {
  background-color: #2aa3ef;
}

.article-social .social .linkedin {
  background-color: #0d6797;
}

strong,
b {
  font-weight: 900;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 900;
  color: #003663;
  margin-bottom: 10px;
}

h1 {
  font-size: 28px;
  line-height: 33px;
}

h2 {
  font-size: 20px;
  line-height: 24.5px;
}

h3 {
  font-size: 18px;
  line-height: 21px;
}

h4 {
  font-size: 17px;
  line-height: 20px;
}

h5 {
  font-size: 16px;
  line-height: 22px;
}

h6 {
  font-size: 15px;
  line-height: 20px;
}

.category,
time {
  display: inline-block;
  margin-bottom: 10px;
  line-height: 16px;
}

.category {
  color: #0074d4;
  text-transform: uppercase;
}

time {
  color: #828384;
}

summary {
  font-family: "Helvetica", sans-serif;
  margin-bottom: 10px;
}

figure {
  margin-bottom: 10px;
}

.brand {
  color: #003663;
}

.brand2 {
  color: #0074d4;
}

.block-list {
  margin-bottom: 30px;
}

.block {
  margin-bottom: 20px;
}

.article-list .title {
  color: rgba(20, 20, 21, .6);
  font-size: 13px;
  margin-bottom: 7px;
}

.article-list article,
.block-list article {
  border-top: 1px solid #e0e0e0;
  padding-top: 10px;
}

.article-list article:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.block-title {
  color: #080808;
  text-transform: uppercase;
}

article figure.float-left {
  margin-right: 15px;
}

article figure.float-right {
  margin-left: 15px;
}

article.video-lg figure>a,
article.video figure>a {
  display: block;
  position: relative;
}

article.video figure>a::before {
  content: "";
  display: block;
  width: 36px;
  height: 31px;
  background: url(../images/icon_play.svg) center / 12px no-repeat #0074d4;
  position: absolute;
  bottom: 0;
  right: 0;
}

article.video-lg figure>a::before {
  content: "";
  display: block;
  width: 149px;
  height: 149px;
  background: url(../images/icon_play.png) center / contain no-repeat;
  position: absolute;
  bottom: 50%;
  right: 50%;
  transform: translate(50%, 50%);
}

.block article>figure {
  position: relative;
}

.block article>figure .category {
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  margin-bottom: 0;
}

.block article>figure .category a {
  display: block;
  background-color: #0074d4;
  color: white;
  padding: 8px 10px
}

.bt {
  border-top: 1px solid #999;
  margin-top: 15px;
  padding-top: 15px;
}

.block-list.counter article {
  counter-increment: my-awesome-counter;
  position: relative;
  padding-left: 26px;
}

.block-list.counter article::before {
  content: counter(my-awesome-counter);
  font-size: 18px;
  color: #013866;
  position: absolute;
  top: 12px;
  left: 3px;
}

.section-title {
  text-transform: uppercase;
  border-bottom: 1px solid #d9d9d9;
  padding-top: 44px;
  padding-bottom: 11px;
  margin-bottom: 17px;
}

.breadcrumbs {
  color: #003663;
  font-weight: 800;
  font-size: 16px;
  text-transform: uppercase;
  border-bottom: 1px solid #d9d9d9;
  padding-top: 35px;
  padding-bottom: 15px;
  margin-bottom: 50px;
}

.article-header .byline {
  font-size: 13px;
}

.author {
  color: #0074d4;
  font-weight: 800;
}

.article-header {
  padding-bottom: 40px;
}

.article-header .social {
  padding-top: 12px;
  border-top: 1px solid #d9d9d9;
}

.article-body {
  font-size: 17px;
  line-height: 24px;
  font-family: "Helvetica", sans-serif;
  color: #181818;
}

.article-body a {
  text-decoration: underline;
  color: #005fae;
}

.article-body a:hover {
  text-decoration: none;
  color: #1d6eb6;
}

.article-body>h3 {
  color: black;
  font-size: 20px;
  margin-bottom: 24px;
}

.article-body>p,
.article-body>ul,
.article-body>ol,
.article-body>div {
  margin-bottom: 24px
}

.article-body .caption {
  display: block;
  font-size: 12.5px;
  color: rgba(0, 0, 0, .7);
  padding-top: 8px;
  padding-bottom: 4px;
}

.article-content .related {
  font-weight: bold;
  font-family: "Helvetica", sans-serif;
  color: black;
}

.article-content p.related {
  font-size: 18px;
  line-height: 18px;
}

.article-content .related ul {
  color: #1d6eb6;
}

.article-content .related li {
  display: inline-block;
}

.article-content .related li:before {
  content: "|";
  margin-left: 6px;
  margin-right: 9px;
}

.article-content .related li:first-child::before {
  content: "";
  margin-left: 0;
}

nav.related {
  padding-top: 35px;
  padding-bottom: 26px;
  font-size: 16px;
}

.article-content .copyright {
  border-bottom: 1px solid #d9d9d9;
  padding-bottom: 26px;
  margin-bottom: 20px;
}
/* subscribe */

.subscribe-block {
  background-color: #f0f0f0;
  padding: 18px 15px;
  margin-bottom: 21px;
}
.subscribe-block h3 {
  color: #145fb5;
  font-size: 14px;
  line-height: 14px;
  margin-bottom: 4px;
}
.subscribe-block p {
  font: 9px/14px "Helvetica", sans-serif;
  color: #161515;
  margin-bottom: 6px;
}
.subscribe-block input {
  border-radius: 0;
  border: 0;
  padding: 0;
  width: 100%;
}
.subscribe-block input[type="text"] {
  color: rgba(95, 92, 92, .85);
  font: 9px/10px "Helvetica", sans-serif;
  background-color: white;
  text-indent: 10px;
  height: 24px;
  margin-bottom: 4px;
}
.subscribe-block input[type="submit"] {
  background-color: #145fb5;
  color: white;
  font: bold 14px/24px "Helvetica", sans-serif;
  text-align: center;
  cursor: pointer;
  height: 26px;
}
.loadmore {
  border: 1px solid #d6d6d6;
  max-width: 423px;
  margin: 50px auto;
  text-align: center;
  text-transform: uppercase;
  color: #003663;
  cursor: pointer;
  font-weight: 800;
  font-size: 16px;
  padding-top: 12px;
  padding-bottom: 9px;
}

.loadmore {
  border: 1px solid #d6d6d6;
  max-width: 423px;
  margin: 50px auto;
  text-align: center;
  text-transform: uppercase;
  color: #003663;
  cursor: pointer;
  font-weight: 800;
  font-size: 16px;
  padding-top: 12px;
  padding-bottom: 9px;
}

.loadmore:hover {
  background-color: #003663;
  color: white;
}

.pager {
  display: flex;
  justify-content: center;
}

.pager a {
  width: 38px;
  height: 30px;
  border: 1px solid #d6d6d6;
  margin-right: -1px;
  line-height: 30px;
  text-align: center;
  color: #747378;
}

.pager a:hover {
  background-color: #d6d6d6;
}

.pager a.pager-current {
  background-color: #757575;
  color: white;
  border-color: transparent;
  font-weight: 800;
}

.pager a.pager-prev {
  margin-right: 9px;
}

.pager a.pager-next {
  margin-left: 9px;
}

.pager a.pager-prev,
.pager a.pager-next {
  position: relative;
}

.pager a.pager-prev::before,
.pager a.pager-next::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  position: absolute;
  top: 11px;
  left: 17px;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

.pager a.pager-prev::before {
  border-left: 2px solid #545454;
  border-bottom: 2px solid #545454;
}

.pager a.pager-next::before {
  border-top: 2px solid #545454;
  border-right: 2px solid #545454;
  left: 13px;
}

@media (min-width: 576px) {
  .b-sm-l {
    border-left: 1px solid #e0e0e0;
  }
  .b-sm-r {
    border-right: 1px solid #e0e0e0;
  }
}

@media (min-width:768px) {
  .b-md-l {
    border-left: 1px solid #e0e0e0;
  }
  .b-md-r {
    border-right: 1px solid #e0e0e0;
  }
}

@media (min-width:992px) {
  .b-lg-l {
    border-left: 1px solid #e0e0e0;
  }
  .b-lg-r {
    border-right: 1px solid #e0e0e0;
  }
}

@media (max-width: 991px) {
  .bb-md {
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 10px;
    margin-bottom: 15px;
  }
}

@media (max-width:767px) {
  .bt-sm {
    border-top: 1px solid #e0e0e0;
    padding-top: 10px;
  }
  .bb-sm {
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 10px;
    margin-bottom: 15px;
  }
  .mt-sm {
    margin-top: 15px;
  }
  .mb-sm {
    margin-bottom: 15px;
  }
}

.pf {
  background-color: #003663;
  color: rgba(255, 255, 255, .6);
  padding-top: 28px;
  padding-bottom: 28px;
}

.pf a:hover {
  color: white;
}

.pf .social,
.pf .logo {
  padding-bottom: 12px;
}

.pf ul {
  display: flex;
  flex-wrap: wrap;
  padding-top: 8px;
}

.pf li::before {
  content: "|";
  margin-left: 7px;
  margin-right: 7px;
}

.pf li:first-child::before {
  content: none;
}

.pfn-1 {
  color: #a6cff7;
}

.pf .copyright {
  padding-top: 10px;
  padding-bottom: 12px;
}