body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #eeeeee; /* Changed background color */
}

header {
    background-color:rgba(0, 208, 97, .4);  /* header color background-color: */;
    color: rgb(19, 19, 19);
    padding: 10px 0;
    text-align: center;
    position: relative;
}

.header-row {
    margin: 5px 0;
    position: relative;
}

.header-row h1, .header-row h2, .header-row p {
    margin: 0;
    padding: 0;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    background-color: #8a09528e;  /* menu bar of the page   - background color */
    overflow: hidden;
}

nav ul li {
    float: left;
}

nav ul li a {
    display: block;
    color:  rgb(19, 19, 19);;       /* menu bar of the page   - text color */
    text-align: center;
    font-weight: bold;  /* Bold font weight  - menu bar*/
    padding: 14px 20px;
    text-decoration: none;
}

nav ul li a:hover {
    background-color: #90ee90; /* Light green color on hover */
}

nav ul li.dropdown {
    display: inline-block;
}

nav ul li.dropdown .dropdown-content {
    display: none;
    position: absolute;
    background-color: #f1eaea;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

nav ul li.dropdown .dropdown-content a {
    color: rgb(9, 8, 8);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

nav ul li.dropdown .dropdown-content a:hover {
    background-color: #90ee90; /* Light green color on hover */
}

nav ul li.dropdown:hover .dropdown-content {
    display: block;
}

.content {
    display: flex;
}

.sidebar {
    width: 200px;
    background-color: #eeeeee; /* Light grey background color for sidebar */
    padding: 15px;
    border: 2px solid #000; /* Thicker border for sidebar */
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    margin-bottom: 5px; /* Reduced margin between list items */
    border: 2px solid #000; /* Thicker border for each list item */
    padding: 5px; /* Reduced padding for each list item */
}

.sidebar ul li a {
    text-decoration: none;
    color: #333;
}

.sidebar ul li a:hover {
    color: #270404; /* Dark red color on hover */
    background-color: #90ee90   ; /* Light green background color on hover */
}

main {
    padding: 20px;
    flex-grow: 1;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}
footer p {
    margin: 0; /* Remove margin from footer text */
    padding: 0; /* Remove padding from footer text */
}


.table-container {
    display: flex;
    justify-content: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    border: 2px solid #000; /* Thicker border */
}

table, th, td {
    border: 2px solid #000; /* Thicker border */
}

th, td {
    padding: 8px;
    text-align: left;
    font-size: 14px; /* Reduced font size */
}

tr:nth-child(even) {
    background-color: #cdb1b1; /* table of content background color */
}

tr:hover {
    background-color: #90ee90; /* table of content background color on hover  */
}

.youtube-link {
    color: #261370; /* Changed YouTube link color */
}

.select {
    display: inline-block;
    margin: 20px 0;
    font-size: 14px; /* Reduced font size */
}

select {
    padding: 10px;
    font-size: 12px; /* Reduced font size */
}

.select + .select {
    margin-left: 30px; /* Adding 3 tab spaces between dropdowns */
}