/* roboto-regular - latin-ext_latin */
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 400;
  src: local("Roboto"), local("Roboto-Regular"), url("fonts/roboto/roboto-v20-latin-ext_latin-regular.woff2") format("woff2"), url("fonts/roboto/roboto-v20-latin-ext_latin-regular.woff") format("woff");
}
/* roboto-italic - latin-ext_latin */
@font-face {
  font-family: "Roboto";
  font-style: italic;
  font-weight: 400;
  src: local("Roboto"), local("Roboto-Regular"), url("fonts/roboto/roboto-v20-latin-ext_latin-italic.woff2") format("woff2"), url("fonts/roboto/roboto-v20-latin-ext_latin-italic.woff") format("woff");
}
/* roboto-700 - latin-ext_latin */
@font-face {
  font-family: "Roboto";
  font-style: normal;
  font-weight: 700;
  src: local("Roboto"), local("Roboto-Regular"), url("fonts/roboto/roboto-v20-latin-ext_latin-700.woff2") format("woff2"), url("fonts/roboto/roboto-v20-latin-ext_latin-700.woff") format("woff");
}
/* roboto-700italic - latin-ext_latin */
@font-face {
  font-family: "Roboto";
  font-style: italic;
  font-weight: 700;
  src: local("Roboto"), local("Roboto-Regular"), url("fonts/roboto/roboto-v20-latin-ext_latin-700italic.woff2") format("woff2"), url("fonts/roboto/roboto-v20-latin-ext_latin-700italic.woff") format("woff");
}
html {
  box-sizing: border-box;
}

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

.ncbi-header {
  background-color: #20558a;
  z-index: 10;
  padding: 14px 0 10px 0;
}
.ncbi-header a {
  color: inherit;
  text-decoration: none;
}
.ncbi-header a:hover {
  color: #ffffff;
  text-decoration: underline;
}
.ncbi-header .ncbi-header__logo {
  width: auto;
  float: left;
}
.ncbi-header .header-button {
  width: auto;
  margin: 1.5rem 0.3rem;
  background-color: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-size: 1.4rem;
  font-weight: normal;
  white-space: nowrap;
  padding: 0.8rem;
}
.ncbi-header .header-button:hover {
  background-color: #0071bc;
  text-decoration: none;
}
.ncbi-header .header-button .fa {
  margin: 0;
}
@media screen and (min-width: 600px) {
  .ncbi-header .header-button {
    font-size: 1.7rem;
  }
  .ncbi-header .header-button .fa {
    margin: 0 0.2rem;
  }
}
@media screen and (min-width: 1201px) {
  .ncbi-header .header-button {
    padding: 1rem 2rem;
  }
  .ncbi-header .header-button .fa {
    margin-left: 0;
    margin-right: 0.5rem;
  }
}
.ncbi-header .desktop-only {
  display: none;
}
@media screen and (min-width: 600px) {
  .ncbi-header .desktop-only {
    display: inherit;
  }
}
.ncbi-header .account-old {
  float: left;
  display: block;
  font-size: 1.4rem;
  position: relative;
  width: 30%;
  text-align: right;
}
@media screen and (min-width: 600px) {
  .ncbi-header .account-old {
    width: 30%;
    font-size: 1.7rem;
  }
}
.ncbi-header .logo {
  width: 245px;
  margin-top: 13px;
  margin-right: 10px;
  display: inline-block;
  margin-bottom: 5px;
}
@media (min-width: 375px) {
  .ncbi-header .logo {
    width: 280px;
    height: 42px;
  }
}
@media (min-width: 640px) {
  .ncbi-header .logo {
    width: 414px;
    height: 63px;
    margin-bottom: 0;
  }
}

.ncbi-header__account {
  float: right;
}
@media screen and (max-width: 600px) {
  .ncbi-header__account {
    width: 15%;
  }
}
@media screen and (min-width: 600px) {
  .ncbi-header__account .header-button {
    font-size: 1.7rem;
  }
}

.account-popup {
  position: absolute;
  top: 1px;
  right: 0;
  overflow: hidden;
  width: 100%;
}
@media screen and (min-width: 600px) {
  .account-popup {
    width: auto;
    min-width: 16em;
  }
}
.account-popup .account-user-info {
  top: 6px;
  position: relative;
  padding: 1.5rem;
  border-bottom: 1px solid #d6d7d9;
}
.account-popup .account-links {
  padding: 1.5rem;
}
.account-popup .account-links li {
  padding: 4px 0;
}
.account-popup .account-links a {
  color: #0071bc;
}
.account-popup .account-links a:hover {
  color: #000000;
}
.account-popup .account-links a:visited {
  color: #0071bc;
}