body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: lightgrey;
}



.header {
    background-color: #333;
    box-shadow: 1px 1px 1px 1px darkgray;
    height: 70px;
    overflow-y: hidden;
    position: fixed;
    width: 100%;
    z-index: 999;
    top: 0;
    left: 0;

}

.header img {
    float: left;
    height: inherit;
}

/* Style the links inside the navigation bar */
.header a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    text-decoration: none;
    font-size: 20px;
    padding-left: 10px;
    padding-right: 10px;
    border: white solid;
    height: inherit;
    font-weight: bold;
    width: 150px;
}

.header a:hover {
    background-color: grey;
}

.hamburger_menu_img {
    border: black solid;
}

.hamburger_menu_img:hover {
    border: white solid;
}

.top_nav_menu {
    position: fixed;
    z-index: 999;
    width: 250px;
    background-color: #333;
    top: 71px;

}

.top_nav_menu a {
    padding: 10px;
    text-decoration: none;
    font-size: larger;
    font-weight: bold;
    color: white;
}

.top_nav_menu a:hover {
    color: darkorange;
}

.main_content {
    position: relative;
    float: top;
    margin-top: 5%;
    position: relative;
}


.content_sub {
    float: auto;
    position: relative;
    text-align: left;
    overflow-x: scroll;
    scroll-behavior: auto;
    margin: 10px;
    width: auto;
    height: auto;
    background-color: white;
    box-shadow: 1px 1px 1px 1px darkgrey;
    padding: 20px;
    line-height: 1.5;
}

.content_sub h2 {
    text-align: center;
    padding-top: 5px;

}

.content_sub a {
    font-size: inherit;
    text-decoration: none;
    font-weight: bold;
}

.content_sub a:hover {
    text-decoration: underline;
}

.content_sub ul {
    text-decoration: none;
}

.new_user_form {
    border: #333 solid 1px;
    box-shadow: 1px 1px 1px 1px darkgrey;
    padding: 2px;
}

.new_user_form label {
    width: 30px;
    margin-left: 3px;
}

.field_left_ro {
    width: 50%;
    margin-left: 2px;
    background-color: lightgrey;
}

.content_sub_click {
    float: auto;
    position: relative;
    text-align: left;
    overflow: hidden;
    margin: 10px;
    width: auto;
    height: auto;
    background-color: white;
    box-shadow: 1px 1px 1px 1px darkgrey;
    padding: 20px;
    line-height: 1.5;
}

.content_sub_click:hover {
    cursor: pointer;
    background-color: darkgray;
    box-shadow: 0px 0px 0px 0px darkgrey;
}

.content_sub_click h2 {
    text-align: center;
    vertical-align: center;
    padding-top: 5px;

}

.summary_table {
    font-family: Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    font-size: small;
}

.summary_table th {
    border: 1px solid #ddd;
    padding: 5px;
    text-align: center;
}

.summary_table td {
    border: 1px solid #ddd;
    padding: 5px;
}

.summary_table tr:nth-child(even) {
    background-color: #f2f2f2;
}

.summary_table tr:hover {
    background-color: #ddd;
}

.summary_table th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: #333;
    color: white;
    overflow-x: scroll;
    font-size: small;
}

.dropbtn {
    background-color: darkorange;
    color: #333;
    padding: 16px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    box-shadow: 0px 0px 1px 1px darkgrey;
}

.static_btn {
    background-color: darkorange;
    color: #333;
    padding: 16px;
    font-size: 16px;
    margin-left: 0px;
    margin-right: 20px;
    font-weight: bold;
    border: none;
    box-shadow: 0px 0px 1px 1px darkgrey;
    float: left;
}

.static_btn:hover {
    background-color: darkorange;
    color: #333;
    text-decoration: underline;
    padding: 16px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    box-shadow: 0px 0px 1px 1px darkgrey;
}

.static_btn_confirm {
    background-color: #333;
    color: red;
    padding: 16px;
    font-size: 16px;
    margin-left: 20px;
    font-weight: bold;
    border: none;
    box-shadow: 0px 0px 1px 1px darkgrey;
    float: left;
}

.static_btn_confirm:hover {
    background-color: #333;
    color: red;
    text-decoration: underline;
    padding: 16px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    box-shadow: 0px 0px 1px 1px darkgrey;
}


.dropdown {
    position: relative;
    overflow-y: visible;
    width: auto;
    float: left;
    margin-left: 5%;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    border: solid #333;
    overflow: visible;
}

.dropdown-content a:hover {
    background-color: #ddd;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover .dropbtn {
    background-color: #333;
    color: white;
}

.content_sub_menu {
    float: auto;
    position: relative;
    text-align: left;
    overflow: visible;
    margin: 10px;
    height: 50px;
    background-color: white;
    box-shadow: 1px 1px 1px 1px darkgrey;
    padding: 20px;
    line-height: 1.5;
}

.content_sub_menu h2 {
    text-align: center;
    padding-top: 5px;
}

.content_sub_menu a {
    font-size: inherit;
    text-decoration: none;
    font-weight: bold;
}

.content_sub_menu a:hover {
    text-decoration: underline;
}

.content_sub_menu ul {
    text-decoration: none;
}

._timer {
    background-color: #333;
    color: red;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
}

.input_text {
    background-color: white;
    border: white;
    border-bottom: 1px solid black;
    width: 250px;
}

.form_standard {
    border: 1px solid #333;
    padding: 20px;
}

.form_label {
    display: inline-block;
    width: 200px;
}

.form_submit_btn {
    background-color: darkorange;
    width: 100px;
    height: 30px;
}

.form_select {
    width: 250px;
}