.ncbi-header {
	box-sizing: border-box;
	font-family: "Roboto", "Helvetica Neue", Arial, Tahoma;
	font-size: 10px; /* future HTML base size */
}

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

.ncbi-header .usa-grid {
	max-width: none;
}

.ncbi-header .usa-button,
.ncbi-header button {
	cursor: pointer;
    display: inline-block;
	border-radius: 0.2em;
	line-height: 1;
    outline: none;
}

.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: #fff;
    text-decoration: underline; }
  .ncbi-header .ncbi-header__logo {
    width: auto;
    float: left; }
  .ncbi-header .desktop-only {
    display: none; }
    @media screen and (min-width: 600px) {
      .ncbi-header .desktop-only {
        display: inherit; } }
  .ncbi-header .header-button {
    width: auto;
    margin: .7em 0.1em;/*1.5rem 0.3rem*/
    background-color: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
    font-size: 1.4em/*1.4rem*/;
    font-weight: normal;
    white-space: nowrap;
    padding: .8em/*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: 1.7em/*1.7rem*/; }
        .ncbi-header .header-button .fa {
          margin: 0 0.2rem; } }
    @media screen and (min-width: 1201px) {
      .ncbi-header .header-button {
        padding: .65em 1.2em;/*1rem 2rem;*/ }
        .ncbi-header .header-button .fa {
          margin-left: 0;
          margin-right: .3em/*0.5rem*/; } }
  .ncbi-header .ncbi-header__account {
    float: right; }
    @media screen and (max-width: 600px) {
      .ncbi-header .ncbi-header__account {
        width: 15%; } }
    @media screen and (min-width: 600px) {
      .ncbi-header .ncbi-header__account .header-button {
        /* 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; } }



/* ========== Popups ========== */
.ncbi-popup-anchor {
  position: relative;
  width: 100%;
  height: 0; }

.ncbi-popup {
  display: none;
  position: absolute;
  top: 0;
  right: 0;
  text-align: left;
  color: #212121;
  background-color: white;
  border: 1px solid #212121;
  box-shadow: 0px 4px 10px -4px #212121;
  z-index: 9999; }

.ncbi-popup-head {
  position: relative;
  border: 1px solid transparent;
  border-bottom: 1px solid #d6d7d9;
  padding: 0 1.8em/*1.8rem*/; }
  .ncbi-popup-head h3, .ncbi-popup-head h4, .ncbi-popup-head h5, .ncbi-popup-head h6 {
    margin: 10px 0;
    font-size: 1.7em/*1.7rem*/;
    font-weight: normal;
    text-transform: uppercase; }

.ncbi-popup-body {
  padding: 1.5rem 1.8rem; }

.ncbi-close-button {
	position: absolute;
	top: 0;
	right: 0;
	font-size: 1.7em;
	margin: 3px;
	padding: 10px;
	color: #5b616b;
	border: none;
	background-color: #f1f1f1;
}
.ncbi-close-button:hover {
    color: #0071bc;
    background-color: #ffffff;
}








.account-popup {
  position: absolute;
  top: 1.2em;/*1.5rem*/
  right: 0;
  overflow: hidden;
  width: 100%; }
  @media screen and (min-width: 600px) {
    .account-popup {
      width: auto;
      min-width: 16rem; } }
  .account-popup .account-user-info {
    position: relative;
    padding: 1.1em/*1.5rem*/;
    border-bottom: 1px solid #d6d7d9; }
  .account-popup .account-links {
    padding: 1.1em/*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; }

.account-popup .account-user-info,
.account-popup .account-links{
	font-size: 1.7em;
}