* {
    margin: 0;
    padding: 0;
}

html,
button,
input,
select,
textarea {
	font-family: "Source Sans Pro", Helvetica, sans-serif;
}

body {
    color: #141412;
    line-height: 1.5;
}

p {
    margin: 0 0 24px;
}

li {
    list-style: none;
}

a {
	text-decoration: none;
    color: #bc360a;
}

.w {
    width: 1600px;
    margin: 0 auto;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.header {
    height: 215px;
}

.bg {
    height: 160px;
}

.header_bg_container {
    width: 1600px;
    height: 160px;
    overflow: hidden;
    position: relative;
}
  
.header_bg_image-wrapper {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    display: flex;
    gap: 0;
}
  
.header_bg_image-wrapper img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.nav {
    background-color: #f7f5e7;
    height: 55px;
}

.nav ul {
    margin: 0 auto;
    width: 1080px;
    height: 55px;
}

.nav li {
    float: left;
}

.nav li a {
	color: #141412;
	display: block;
	font-size: 25px;
	line-height: 1;
	padding: 15px 20px;
}

.nav li:hover > a,
.nav li a:hover,
.nav li:focus > a,
.nav li a:focus {
	background-color: #220e10;
	color: #fff !important;
}

.nav li.active a {
    color: #bc360a;
    font-style: italic;
}

.content_header {
    margin-bottom: 30px;
}

.content_all {
    padding: 40px 0;
    width: 1000px;
    height: auto;
}

.content_footer {
    margin-bottom: 30px;
}

.footer {
    background-color: #f7f5e7;
    height: 60px;
}


/* introduction */
.intro_div {
    margin-bottom: 20px;
}

.intro_left_div {
    float: left;
    width: 250px;
    padding-top: 8px;
}

.intro_right_div {
    float: left;
    width: 650px;
    padding: 0 50px;
}

.intro_right_div p {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;

    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    margin: 0 0 1.5em;
    max-width: 70ch;

    font-variant-ligatures: common-ligatures;
    font-feature-settings: "kern", "liga", "clig", "calt";
    text-rendering: optimizeLegibility;
    word-spacing: -0.05em;
}

.intro_left_div img {
    width: 100%;
    height: auto;
    display: block;
}

/* references */
.references_all {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 20px;
    font-family: Georgia, 'Times New Roman', Times, serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.citation_p {
    margin-bottom: 1.5em;
    text-indent: -2em;
    padding-left: 2em;
    text-align: justify;
}

.citation_p .author {
    font-weight: 600;
    color: #2c3e50;
}

.citation_p .article_title {
    font-style: italic;
    color: #2980b9;
}

.citation_p .journal_title {
    font-style: italic;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.citation_p a {
    color: #27ae60;
    text-decoration: none;
    border-bottom: 1px dotted #27ae60;
}

.citation_p a:hover {
    color: #2ecc71;
    border-bottom-style: solid;
}

/* contact */
.contact_p {
    font-size: 1.25em;
}

.contact_p a:hover {
    text-decoration: underline;
    color: #ea9629;
}

/* links */
.links_p {
    font-size: 1.25em;
}

.links_p a:hover {
    text-decoration: underline;
    color: #ea9629;
}

/* hercatalyst */
table { 
    width: 100%; border-collapse: collapse; 
}

th, td { 
    padding: 8px; border: 1px solid #ddd; 
}

#perPage {
    height: 35px;
}

.pagination { 
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

#dataTable td {
    text-align: center;
    vertical-align: middle;
}

#dataTable img {
    width:100px;
    height:auto;
    display:block;
    object-fit: contain;
    margin: 0 auto;
}