* {
    margin: 0px 0px 0px 0px;
    padding: 0px 0px 0px 0px;
}

body, html {
    padding: 3px 3px 3px 3px;

    background-color: #D8DBE2;

    font-family: Ubuntu, Verdana, sans-serif;
    font-size: 11pt;
    text-align: center;
}

div.main_page {
    position: relative;
    display: table;

    width: 555px;

    margin-bottom: 3px;
    margin-left: auto;
    margin-right: auto;
    padding: 0px 0px 0px 0px;

    border-width: 2px;
    border-color: #212738;
    border-style: solid;

    background-color: #FFFFFF;

    text-align: center;
}

div.page_header {
    height: 180px;
    width: 100%;

    background-color: #F5F6F7;
}

div.page_header span {
    margin: 15px 0px 0px 50px;

    font-size: 180%;
    font-weight: bold;
}

div.page_header img {
    margin: 3px 0px 0px 40px;

    border: 0px 0px 0px;
}

div.banner {
    padding: 9px 6px 9px 6px;
    background-color: #E9510E;
    color: #FFFFFF;
    font-weight: bold;
    font-size: 112%;
    text-align: center;
    position: absolute;
    left: 40%;
    bottom: 30px;
    width: 20%;
}

div.table_of_contents {
    clear: left;
    min-width: 200px;
    margin: 3px 3px 3px 3px;
    background-color: #FFFFFF;
    text-align: left;
}

div.table_of_contents_item {
    clear: left;
    width: 100%;
    margin: 4px 0px 0px 0px;
    background-color: #FFFFFF;
    color: #000000;
    text-align: left;
}

div.table_of_contents_item a {
    margin: 6px 0px 0px 6px;
}

div.content_section {
    margin: 3px 3px 3px 3px;
    background-color: #FFFFFF;
    text-align: left;
}

div.content_section_text {
    padding: 0px 8px 38px 5px;
    color: #000000;
    font-size: 100%;
}

div.content_section_text pre {
    margin: 8px 0px 8px 0px;
    padding: 8px 8px 8px 8px;
    border-width: 1px;
    border-style: dotted;
    border-color: #000000;
    background-color: #F5F6F7;
    font-style: italic;
}

div.content_section_text p {
    margin-bottom: 6px;
}

div.content_section_text ul, div.content_section_text li {
    padding: 4px 8px 4px 16px;
}

div.section_header {
    padding: 1px 6px 5px 8px;
    background-color: #8E9CB2;
    color: #FFFFFF;
    font-weight: bold;
    font-size: 112%;
    text-align: center;
}

div.section_header_grey {
    background-color: #9F9386;
}

.floating_element {
    position: center;
    float: left;
}

div.table_of_contents_item a,
div.content_section_text a {
    text-decoration: none;
    font-weight: bold;
}

div.table_of_contents_item a:link,
div.table_of_contents_item a:visited,
div.table_of_contents_item a:active {
    color: #000000;
}

div.table_of_contents_item a:hover {
    background-color: #000000;
    color: #FFFFFF;
}

div.content_section_text a:link,
div.content_section_text a:visited,
div.content_section_text a:active {
    background-color: #DCDFE6;
    color: #000000;
}

div.content_section_text a:hover {
    background-color: #000000;
    color: #DCDFE6;
}

.buttons-container {
    text-align: center;
    margin-top: 25px;
}

.btn {
    margin: 10px;
    padding: 10px 20px;
    background-color: #007BFF;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #0056b3;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    background-color: #fff;
    padding: 20px 30px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h2 {
    margin-top: 0;
    color: #333;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #555;
}

input[type="text"], input[type="password"] {
    width: 30%;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    text-align: center;
}

input[type="submit"] {
    background-color: #8E9CB2;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-weight: bold;
}

input[type="submit"]:hover {
    background-color: #0056b3;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 18px;
    text-align: left;
}

th, td {
    padding: 10px;
    border: 1px solid #ddd;
}

th {
    background-color: #f4f4f4;
}

.edit-form {
    display: none;
}

.tabs { display: flex; justify-content: center; cursor: pointer; }
.tabs div { padding: 10px; border: 1px solid #ccc; margin-right: 5px; }
.tab-content { display: none; padding: 10px; border: 1px solid #ccc; }
.active-tab { background: #eee; }
.active-content { display: block; }